The Church Fathers on this verse

Psalm 139 (138):6Meaning & Commentary from the Church Fathers

Thy knowledge is become wonderful to me: it is high, and I cannot reach to it.

Douay-Rheims · Hebrew numbering, Septuagint numbering in brackets.

פלאיה פְּלִ֣יאָֽה דַ֣עַת מִמֶּ֑נִּי נִ֝שְׂגְּבָ֗ה לֹא־א֥וּכַֽל לָֽהּ׃

Hebrew (Masoretic text)

The Church Fathers on this verse

8 Church Fathers comment on this verse

John Chrysostom

4th centuryChurch Father

Another interpretation suggests that the phrase ‘exceeds me’ is fitting, and instead of ‘established,’ a different translator uses ‘exalted.’ The essence of these words conveys that although I bask in Your providence, acknowledge Your omniscience, and recognize that You created me from nothing, my understanding of You is incomplete and unclear. It is so profound and vast that my mind cannot fully grasp it. Despite its magnificence, can it be fully comprehended? No; and to avoid any misconception, he states: ‘I am not able to embrace it.’ When referencing knowledge, he does not claim ignorance of God, but rather affirms that he lacks perfect and clear understanding.

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As Paul articulates, we may know a portion of what He is, but the essence of His being remains beyond our grasp: ‘It is fitting for him that cometh to God to believe, because He is’ (Hebrews 11:6). He does not define what God is in substance because that knowledge eludes us. We understand certain attributes—His humanity, mercy, and goodness—but their full measure is beyond our understanding. The prophet, moving beyond these acknowledgments, indicates a different aspect that appears more attainable and confesses his ignorance of it as well. He states not what God is in substance, nor the extent of His goodness—acknowledging its incomprehensibility—but he cannot articulate how He exists everywhere, which is likewise beyond our grasp.

Consider Psalm 138:7: where, then, are those who assert their complete understanding yet find themselves engulfed in ignorance? Those who believe they have grasped everything at this moment deny themselves any future knowledge. When I claim to know only in part and anticipate that this knowledge will cease, I look forward to the ultimate perfection—the private shall vanish, and the complete shall arrive. Conversely, one who asserts having full and perfect knowledge while acknowledging its future cessation reveals his lack of understanding, for if this knowledge ends, a more perfect one cannot follow if the present is deemed sufficient.

Observe how those striving for the entirety here fail to possess it and, in doing so, forfeit all that lies ahead. Such folly derives from not remaining within the boundaries ordained by God since the beginning. Adam, in seeking greater honor, lost what he had; similarly, those who are enamored with riches often fall short of what they possess. Thus, these individuals, in their quest for all things here, compromise a part of what could be theirs. I urge you to reject their foolishness; it is utter folly to presume to know the essence of God.

To underscore this madness, consider the prophets, who remained perplexed regarding God's wisdom, illustrating that while they grasped some aspects of His nature, they could not delineate His wisdom, which is fundamentally tied to His essence. If the prophets found it challenging to fully understand even this attribute of God, how absurd would it be to assume mere human reasoning could define God's very existence?

Let us heed what the prophet declares concerning the wisdom of God: ‘Thy mind is astonished at me’ (Psalm 138:6). Moreover, commencing from another insight, he eloquently proclaims, ‘Let us confess to You that You were fearfully surprised’ (Psalm 138:14). The term ‘fearfully’ signifies an awe that transcends mere amazement. We may marvel at various things without trepidation—like the beauty of columns or exquisite artwork—but we experience fear when confronted with vastness, as when we find ourselves navigating the immeasurable depths of the sea. The prophet acknowledges his own inadequacy in comprehending the boundless ocean of God's wisdom, retreating in awe, exclaiming, ‘Let us confess to You, how fearfully You were amazed: marvellous are Your works’; and similarly stating, ‘Your mind is amazed at me; strengthen me, for I cannot approach it’ (Psalm 138:14, 6).

Reflect on the servant’s acknowledgment: he expresses gratitude for the incomprehensibility of his Master; he does not address God’s being directly—an aspect recognized as unfathomable—but speaks instead of God’s omnipresence, admitting that he does not understand how God is present everywhere. Hear his proclamation: ‘If I ascend to heaven, Thou art there: if I make my bed in hell, Thou art there’ (Psalm 138:8). Can you see how the prophet recognizes God's omnipresence? And yet, he admits his confusion, astonished, and fearful at merely contemplating it. Are they not exceedingly foolish who, removed from the prophet’s grace, strive to penetrate the essence of God?

The same prophet articulates, ‘Thou hast revealed unto me the obscure and secret wisdom of Thy will’ (Psalm 50:8); having received this insight, he describes it as infinite and incomprehensible. He states, ‘Great is the Lord,’ saying, “and great is his strength, and his understanding is not numbered,” indicating that comprehension is unattainable (Psalms 146:5).

What then do we conclude? If the prophet deems God's wisdom beyond human understanding, how could we presume to comprehend His very essence? This is indeed the epitome of folly. His greatness is limitless, and yet we attempt to confine His being?

Isaiah echoed this when he stated, ‘His generation who shall confess’ (Isaiah 53:8). He did not imply mere acknowledgment but rather indicated its impossibility in the future. David asserts, ‘Thy mind is astonished at me’ (Psalms 138:6), and Isaiah conveys to all humanity that such acknowledgment remains unattainable.

Let us consider whether Paul, endowed with greater grace, understood this truth, for he himself affirms, ‘We understand in part, and prophesy in part’ (1 Corinthians 13:9); and he recounts not only here but also in other contexts, where he reflects not on God’s essence but on the wisdom evident in His workings. He does not delve into the entirety of God’s wisdom, which governs the angels and celestial powers, but focuses only on that which pertains to humanity, even observing merely a fraction of God's providence.

He reveals a small portion of the unfolding of God’s plans, especially regarding the inclusion of Gentiles over Jews; from witnessing this infinitesimal representation of God's unfathomable wisdom, he marvels and stands in awe, exclaiming, ‘O depth of the riches and wisdom and knowledge of God, how unsearchable are His judgments’ (Romans 11:33). He does not say ‘incomprehensible,’ but rather ‘unsearchable;’ if God’s judgments cannot be thoroughly explored, how much less is His very being comprehensible?

Consider this: the promises that lie ahead are also beyond comprehension, for ‘eye hath not seen, nor ear heard, neither have entered into the heart of man, the things which God hath prepared for them that love Him’ (1 Corinthians 2:9). His gifts are indescribable; ‘But thanks be to God,’ declares the apostle, ‘for His indescribable gift’ (2 Corinthians 9:15). ‘And His peace surpasses all understanding’ (Philippians 4:7).

So what is the conclusion? His purposes are incomprehensible, His paths unsearchable, His peace transcends all understanding, His gifts are beyond description, and the treasures prepared for those who love Him have not entered the human heart. His greatness knows no bounds, His wisdom is immeasurable, all things are beyond human comprehension, yet we assume that He Himself can be fully understood? Is this not the height of folly?

Engage the skeptic; do not allow him to dismiss this easily. Ask him what Paul means by saying, ‘We understand in part.’ He may suggest that Paul refers not to God’s essence but to His workings. This is favorable; even if he speaks of God’s actions, the conclusion remains—if the workings of God's household are beyond comprehension, surely He Himself is even more so.

When the apostle asserts, ‘We understand in part, and prophesy in part,’ he follows with, “Now I understand in part; then I shall know as I also am known” (1 Corinthians 13:9, 12). Whom was he known by: by God or through His actions? Clearly, by God; thus, he recognizes Him only partially. When he says ‘in part,’ it does not imply that he comprehends some fragment of His essence and not another, for God is simple; instead, he acknowledges God’s existence but is ignorant of His essence. He knows that God is wise but cannot fathom the depth of that wisdom.

He understands that God is great, yet the nature of that greatness remains elusive; he recognizes that God is omnipresent, yet he cannot comprehend how that is so. He does not grasp how God thinks, contains, or sustains all things, nor the manner in which He accomplishes these acts. Therefore, he rightly asserts: ‘From part we understand and from part we prophesy.’

Augustine of Hippo

5th centuryChurch Father

Our Lord Jesus Christ communicates through the Prophets, at times in His own name and at others in ours, uniting Himself with us, as it is stated that two shall become one flesh. Hence, in the Gospel, the Lord remarks concerning marriage that they are no longer two, but one flesh. This union is due to our mortality; He assumed a human body—though not one essence, for He is the Creator and we are the created. Whatever our Lord expresses through the Flesh He has taken on pertains to both the Head, who has ascended to heaven, and the members still journeying through their earthly existence. Let us listen to our Lord Jesus Christ's words in the prophecies. The Psalms were composed long before the Lord’s incarnation through Mary, yet not before He became our Sovereign: He has been the Creator from eternity but became incarnate at a specific time. Let us have faith in this Divinity and, to the best of our ability, comprehend Him as equal to the Father. This Godhead, which is equal to the Father, embraced our mortal essence, not of His own nature, but of ours, so that we might also partake in His Divine nature, not through our essence but through His.

Lord, You have tested me and have known me. Let our Lord Jesus Christ declare this, and let Him also address the Father: Lord. His Father is not His Lord apart from the divine willingness to be born in the flesh. He is the Father of God and the Lord of Man. Do you know to whom He is a Father? To the equal Son. The Apostle states, “Who, being in the form of God, did not consider it robbery to be equal with God.” For that form, God is the Father—the Form equal to Himself, the only begotten Son, derived from His own Essence. Yet, for our benefit, that we might be transformed into partakers of His divine essence and renewed unto eternal life, He took upon Himself our mortal state. What does the Apostle say regarding Him? He states, “But He emptied Himself, taking upon Him the form of a servant, and was made in the likeness of men, and was found in fashion as a man.” He existed in the Form of God, equal to the Father, yet He took upon Himself the form of a servant, so that in this form He might be lesser than the Father.

“You have recognized my sitting and my rising.” What does it mean to sit or to rise? The one who sits humbles himself. The Lord sat in His Passion and rose in His Resurrection. You, He says, were aware of this; that is, You willed it, You approved it; through Your will it was accomplished. If you choose to accept the words of the Head through the Body: a man sits when he humbles himself in repentance and rises when his sins are forgiven, ascending to the hope of eternal life. Do not elevate yourselves unless you have first humbled yourselves. Many endeavor to stand before they acknowledge their humble state, seeking to appear righteous before they admit their sinfulness.

“You have perceived my thoughts from afar; You have delineated my path and my destiny.” What is it to be afar off? While I am still on my journey, before I reach my true homeland, You have understood my thoughts. The prodigal son ventured to a distant land. After enduring labor, suffering, sorrow, and need, he recalled his father’s house and resolved to return, declaring, “I will arise and go to my father.” He committed to rising, for he had first sat down in want. Here, we recognize his statement: “You knew how I sat down and rose.” I sat down in need; I rose up desiring Your sustenance. You have understood my thoughts from a distance. Indeed, I traveled far; yet, where can I escape from You, whom I have forsaken? Thus, the Lord in the Gospel states that his father met him in his way. Truly, for he understood the thoughts of the far-off one. What is my path? The way that I have taken. What is my limit? What I have accomplished. You have traced my journey and my boundaries. This limitation of mine, no matter how distant, was not far from Your sight. I had traveled far, yet You were there. All my paths were known to You in advance. He did not say “saw” but “saw in advance.” Before I ventured on them, before I entered them, You, in Your omniscience, perceived them beforehand; and You permitted me to go my own way in toil, so that if I should choose not to labor, I might return to Your paths. For there is no deceit on my tongue. What did he mean by this? Behold, I confess to You, I have turned away on my chosen path, distancing myself from You, forsaking that which is good for me, and for my own good, I find myself suffering in absence of You.

“Behold, O Lord, You know all my deeds, both past and present.” You knew of my last actions when I tended the swine; You recognized my earlier actions when I requested my inheritance. Those past actions led to my new miseries: the ancient sin, the fall, which brought forth the last chastisement of our perilous mortality. If it were the last for us, so too shall it be, if we now wish to return. For there awaits a final condemnation for the wicked, to whom it shall be proclaimed, “Depart into everlasting fire.” For You have fashioned me and laid Your hand upon me. In which realm have You made me? In this mortality, destined for the labor to which we are all born. No man is born without God's formation in the womb of his mother; there exists no creature whose Creator is not God. You have molded me for this labor and imposed upon me Your avenging hand, You who humble the proud. For thus has He brought down the proud in healing grace, that He might lift up the humble.

“Your artistry has been marvelously evident in me; it has grown strong, yet I shall not attain it.” Listen now, and hear something truly obscure yet pleasurable in understanding. Moses, the holy servant of God, to whom God spoke through the cloud, required some manifestation of the divine hand to convey His presence to him. He yearned to witness the splendor of God's glory and exclaimed, “If I have found favor in Your sight, show me Your glory.” When he earnestly desired to see God’s face, which we may refer to, the divine reply was: “You cannot see My face; for no man can see My face and live.” But He promised to place him in the cleft of the rock, passing by, allowing him to see His back. From these words emerges another mystery—a figurative truth. “As I pass by,” God declares, “you shall see My back,” as if He has both a face and a back. We cannot contemplate such Majesty! For whoever envisions God in this way, what value is it to him that the temples are shut? He constructs idols in his heart. These words are rife with profound mysteries. The very ones who were angered at the Lord whom they witnessed, now seek counsel for salvation, and it is declared unto them, “Repent and be baptized every one of you in the name of Jesus Christ, and your sins shall be forgiven.” Behold, they saw His back, whose face they could not perceive—His hand was only withheld momentarily as He passed by. After He departed, their eyes were opened, and they approached the disciples, asking, “What shall we do?” Initially spiteful, they became loving; first enraged, then fearful; first hard-hearted, then pleasant; first blind, then enlightened.

Observe, a fugitive in a distant land cannot escape the gaze of the One from whom he flees. And where shall he go when his limits are exhausted? As it is asked, “Where shall I flee from Your Spirit?” Who among the inhabitants of the earth can evade that Spirit which fills all? “And where shall I hide from Your presence?” The fugitive seeks refuge from the wrath of God. In what place can God’s fugitive find safety? Those who conceal fugitives inquire from whom they flee; discovering one under a lesser power, they harbor him without fear. Yet, hearing of a powerful master, they either do not take him in or do so with trepidation, recognizing that even mighty men can be tricked. Where exists a place without God? Who can deceive God? Who is unnoticed by Him? From whom does God not demand an account? Where can this fugitive possibly hide from the face of God? He twists and turns, seeking an escape.

“If I ascend to heaven, You are there; if I make my bed in hell, behold, You are there.” Finally, wretched fugitive, you have realized that you cannot escape from the One you wish to flee. Indeed, He is omnipresent; where will you go? He has provided counsel inspired by His remembrance of you. If, having sinned, I descend into a state of wickedness and refuse to confess, saying, “Who sees me?” (for in Hades, who confesses to You?), You are there, present to enact punishment. Where can I escape from Your presence, meaning, how can I not find You angered? So, I will flee—he concludes—from Your face, from Your Spirit; from Your avenging Spirit, from Your wrathful countenance; so may I escape. If I take my wings and fly to the farthest reaches of the sea, may I flee from Your gaze! How can any one run to the furthest parts of the sea from God’s face without finding Him there as well? For what culminates at the sea but the end of the world? Let us now run forward with hope, longing on the wings of double love; let us find no rest except at the furthest edge of the sea. If we seek solace anywhere else, we shall plunge headlong into the sea. Let us soar to the sea’s confines and ascend on the wings of love; in the meantime, let us hasten to God with confident expectation, meditating on the shore’s other side.

Now, heed the One who can guide us there—the very One from whose face we wish to escape. What shall ensue? “There Your hand will lead me, and Your right hand will hold me fast.” Let this be our meditation, dear brethren; let this be our hope and consolation. Let us resume our lost wings of love, which sin had weighted down. For lust serves as the glue of our wings, bringing us low from the expanse of our heaven—the liberating breeze of the Spirit of God. In our descent, we have forfeited our wings and as though trapped by the fowler, whom He has redeemed us from by His blood, from which we fled to become ensnared. He grants us the wings of His commandments; we elevate them now, emancipated from the bind. Therefore, we must have wings, and He must guide us, for He is our Helper. We possess free will; yet with this freedom, what can we accomplish if not for Him who commands, helping us?

And reflecting on the journey's length, what did he say to himself? “Perhaps darkness will engulf me.” Behold, now I believe in Christ; I am uplifted on the wings of double love. Regarding the journey's length, I declared to myself: the night illuminated my rapture. The night radiated joy because I despaired of traversing such a vast sea, of conquering such an arduous journey, of reaching the most distant regions, and persevering to the conclusion. Praise be to Him who sought me while I was a fugitive, who chastened my back with the scourge’s strikes, who through His call returned me from destruction, who turned my night into light. For as long as we exist in this life, night will come. How did night transform into light? Because Christ descended into the night. “For darkness shall not overshadow you.” Do not deepen the shadows of your night; God does not darken it but transforms it into even brighter light; as expressed in another Psalm: “You, O Lord, will light my lamp; my God shall illuminate my darkness.”

But who darkens their own night to the extent that God does not illuminate it? The wicked and corrupt, who are truly in darkness when they sin; when they fail to confess their transgressions yet persist in defending them, they obscure their own darkness. Therefore, if you have sinned, you are in darkness; yet by confessing, the illumination of your shadows shall arise. By clinging to your iniquities, you shall deepen your darkness. And where can you escape from double darkness when you were in dire straits facing single darkness? Let us refrain from darkening our night by defending our sins, and joy shall illuminate our night.

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Athanasius the Great

4th centuryChurch Father

This indicates that God has bestowed numerous blessings upon him, which remain unknown to him. He acknowledges that understanding these matters surpasses his capabilities and comprehension; thus, he cannot explore them further or articulate them. Everything he has conveyed is limited and insufficient; grasping the fullness of divine might exceeds the limitations of his humble nature.

Theodoret of Cyrus

5th centuryChurch Father

Through my experiences, I have come to understand Your might; yearning to praise Your wisdom yet feeling unable to do so appropriately, I admit my shortcomings. After expressing his awe at the awareness and foresight of the Sovereign Lord, who sees all, both past and future, the Prophet shifts to a different matter, asking: "Where shall I go from Thy Spirit, and from Thy face where shall I flee?"

Euthymios Zigabenos

11th centuryCommentator

Your intellect is awestruck by me; be reassured, for I cannot fully grasp it. The understanding of You, O Lord, transcends my own comprehension, indicating that it goes beyond the limits of my reasoning. This makes it clear: Your knowledge exceeds the capacity of my thoughts, leaving me fatigued in my efforts to fathom it. According to Chrysostom, this knowledge pertains to the very nature and essence of God. While we may grasp that God exists, we find ourselves unable to truly comprehend His essence. We acknowledge God's omnipresence but cannot grasp how He is present everywhere. We recognize His goodness, love for humanity, wisdom, and omnipotence, yet we cannot measure the depths of His goodness or wisdom.

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Ecclesiastes speaks to this idea of wisdom, saying: I said, ‘Let me become wise,’ and she (wisdom) departed from me; I became farther from her than I was before; the depth is deep; who will find the bottom of it? (Ecclesiastes 7:24). Paul echoes similar sentiments when he declares: What is the depth of the riches and wisdom and knowledge of God? How unsearchable are His judgments and His ways incomprehensible (Romans 11:33)! Some, alongside the divine Chrysostom, interpret it another way: Your wonderful wisdom is evident in my creation and formation, leaving me exhausted in my attempts to praise it adequately.

Yet someone might ask, If you, David, are unsure of what this wisdom entails, how can you be amazed by it? David responds that it is precisely because it is incomprehensible that he finds joy and wonder in God's wisdom—just as we marvel at the sunlight, even if we cannot fully understand its rays. He further reflects on another aspect of God’s power: that through His might and providence, He is omnipresent and fills all places, as Chrysostom elaborates, rising above everything.

St. Gregory the Theologian notes that the great David, to whom God revealed His hidden wisdom, openly acknowledges the mystery of God's knowledge. He refers to God's judgments as a profound abyss, unreachable by any measure or sense. This understanding of God’s knowledge fascinates him, as it surpasses the limits of his own power and intellect. As he contemplates human nature and its complexities, he is led to ponder: What is this composition within us? What causes our movement? How is the immortal intertwined with the mortal? How does one being embody both mortality and immortality? What is the enigma of my very essence? How can I occupy a space, yet my mind transcends it and encompasses all? How does the incorporeal exist within blood and breath?

Anastasios the Sinaite

7th centuryChurch Father

The father of David, perceiving with prophetic insight the presence of Christ and deeply moved by the profound significance of His Humanity, extended His hands towards Him, exclaiming, “Thy mind is astonished at me, strengthened; I cannot be able to go to him” (Psalms 138:6). A commentary I consulted noted that when he dedicated himself to the profound study of the Holy Scriptures, it was as if his spiritual vision was suddenly enlightened, revealing that the entire order of creation—and everything in it—reflects the image and essence of the Humanity of God the Word. Thus, the Apostle Paul affirms concerning Christ, “all things by Him and for Him were created” (Col. 1:16).

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“Marvel Thy mind at me,” implies an astonishment at my soul and body’s existence, at the intricate fusion of the visible and the invisible, as well as the union of the tangible and the incorporeal that occurred in the womb. I perceive You mirrored within myself, and in turn, I recognize myself within You in a natural way. This ‘naturally’ should be interpreted as ‘truly.’ I particularly embrace this belief when I hear You proclaim in Scripture, “Let us make man in Our image and after Our likeness” (Gen. 1:26). In creating the invisible angelic beings, God did not say, “I will make an Angel in My image and after My likeness.” However, in crafting the dual nature of humanity, both visible and invisible, God designated him as Your image and likeness. For man encompasses both mortality and immortality, with his rational and immortal soul reflecting Your, Christ, divinity, while his corporeal form bears the true likeness of Your Humanity, which is consubstantial with it. Therefore, moved by Your embodiment and humility towards us, I express, “Thy mind is astonished at me, strengthened”—recognizing my own being, I am amazed by this embodiment.

Irenaeus (Klementjewsky)

18th centuryCommentator

The Prophet has demonstrated through the previous arguments that God's omniscience encompasses all aspects related to humanity. To prevent any misconception that this understanding was fully grasped, he included this verse, indicating that while God's omniscience is evident in essence, being the highest attribute of the Divine, it remains elusive and difficult to grasp in its workings. This pertains specifically to how God anticipates the future and, notably, the free will actions of mankind—those that may or may not occur, including thoughts, words, intentions, and other activities.

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Similarly, one can speak of God's existence and attributes, affirming that He is all-powerful, wise, just, good, and merciful. These truths are broadly acknowledged; however, the nature of God and the way these diverse attributes unify in a single, simple essence is beyond human comprehension. Who among us can fully understand or articulate this? Truly, it is beyond my grasp, as I find it breathtakingly more profound than I can fathom. The extent of my understanding is limited; it transcends my intellect, existing as something utterly unfathomable.

Sergius Ternowski

19th centuryCommentator

In the name of the Father and of the Son and of the Holy Spirit. Amen. In Psalm 138, the prophet extols the all-knowing and wise nature of God. Your thoughts leave me in awe; I am unable to draw near to them. I have marveled at Your infinite understanding: it surpasses my grasp. Your Wisdom, the holy prophet calls upon the Lord, has invoked my wonder. It presents itself as a steadfast, towering mountain; no matter how much I strive to elevate it through my human reasoning, I find myself unable. Thus, the intellect of humanity is powerless against the mind of God! How many ages has the misguided intellect sought to eradicate, so to speak, the all-governing Wisdom from existence, yet she remains steadfast, receiving adoration from the sincere, while deriding the downfall of the unrighteous. Despite the vehement assertions against her sacred abode, namely the Christian Church, the foundation of God remains unshakeable—the Church will endure through the trials of reason.

Cross references

Passages read together with this verse.