The Church Fathers on this verse

Isaiah 43:2Meaning & Commentary from the Church Fathers

When thou shalt pass through the waters, I will be with thee, and the rivers shall not cover thee: when thou shalt walk in the fire, thou shalt not be burnt, and the flames shall not burn in thee:

Douay-Rheims

כִּֽי־תַעֲבֹ֤ר בַּמַּ֙יִם֙ אִתְּךָ־אָ֔נִי וּבַנְּהָר֖וֹת לֹ֣א יִשְׁטְפ֑וּךָ כִּֽי־תֵלֵ֤ךְ בְּמוֹ־אֵשׁ֙ לֹ֣א תִכָּוֶ֔ה וְלֶהָבָ֖ה לֹ֥א תִבְעַר־בָּֽךְ׃

Hebrew (Masoretic text)

The Church Fathers on this verse

10 Church Fathers comment on this verse · 11 commentaries

John Chrysostom

4th centuryChurch Father

Let us strive not only to be liberated from wickedness, but let us particularly and consistently seek to draw near to God. Although one might be released from all tribulations and afflictions, being distant from God's assistance is a greater misfortune than any trial. The Scriptures abundantly illustrate this truth. The young men in the fiery furnace experienced joy that surpassed that of those outside, while the king and his soldiers were tormented in their minds. Likewise, when the apostles were imprisoned, the Jews were more troubled than the captives themselves. Such is the essence of righteousness that it shields its followers from shame even in moments of suffering.

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Conversely, wickedness is so distasteful that it leaves the wrongdoer in a state of turmoil even during times of tranquility. Just as refreshing and invigorating breezes offer no relief to a fever-ridden body, so too do our souls find no solace, even in the absence of misfortunes, if they are weighed down by serious sins.

Cyrill of Alexandria

5th centuryChurch Father

And now the Lord God, who created you, O Jacob, and formed you, O Israel, declares: Do not be afraid, for I will rescue you; I have summoned you by name; you are mine. When you pass through the waters, I will be with you, and the rivers will not overwhelm you; when you walk through fire, you will not be scorched, nor will the flame ignite you, for I am the Lord your God, the Holy One of Israel, who redeems you. It is essential to express our reverence for a compassionate God. By His very nature, He is good and the Creator of all; yet if there is a need for some to experience the effects of His just wrath for the cleansing of wrongdoings, He swiftly turns to mercy.

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He, who strikes, also brings healing, removes affliction, calls back those who repent, restores those who have stumbled, and extends a saving hand to the distressed, liberating them from all calamity and restoring them to a state of well-being. Observe how He enters into the depths of transgressions and pledges to erase sins through divine forgiveness, granting them what seems like a fresh start, elevating them to righteousness. This sentiment echoes in the Psalms: "Today if you hear His voice, do not harden your hearts as you did at Meribah" (Psalm 94:8). The term ‘now’ signifies the commencement of a new era, illustrating the concept of forgiveness already discussed, while leading to the initiation of the divine path and works. He does not permit them to lose all hope of future blessings, nor does He reject them eternally; instead, He liberates them from all fear, instilling hope for the attainment of every good, transforming their circumstances to be vastly improved. He declares, "I will rescue you," and Paul elucidates this, speaking of our Savior, Christ, in whom it pleased God the Father to bring all things together, both in heaven and on earth (Ephesians 1:10). In Him lies the salvation of all, the absolution and pardon of past sins, and the reflection of spiritual nature fulfilled through sanctification, bringing us into communion with God the Father. Consequently, He proclaims, "I have called you by your name." By what name? It signifies that you are mine. For we bear the name of Christ, a truly marvelous appellation bestowed upon us. Additionally, another scripture states, "I have called you by my name." Further, by saying, "You are mine," He dispels the alienation usually experienced by those ensnared by sin; they carry the divine image since God is sovereign over all. However, a tendency towards evil separates them from fellowship with Him. Thus, we affirm that those who dwell in impurity are not truly God's. Therefore, the name serves as a profound sign of our spiritual inheritance with God: you are mine. This promises unwavering support, making one impervious to every temptation. The waters, rivers, and flames symbolize the various trials we encounter. It is written, "all who wish to live godly lives in Christ Jesus will be persecuted" (2 Timothy 3:12). Christ Himself said to His followers, "In this world, you will have tribulation" (John 16:33). Yet He reassures us: "When you pass through the waters, I am with you." If Christ is with you, nothing can harm His own; they will receive such spiritual strength that no adversity can truly affect them. Even if tribulation swells like a flood or comes with the ferocity of fire, they will triumph, knowing that God is their Savior. The Scriptures often draw parallels between trials and waters, as reflected in the words of the Savior: "Everyone who hears these words of mine and puts them into practice is like a wise man who built his house on a rock. The rain fell, the rivers rose, and the winds blew and beat against that house; yet it did not fall, because it was founded on the rock" (Matthew 7:24–25). Christ is that rock.

Ephraem the Syrian

4th centuryChurch Father

"Even if you traverse the sea, I am present with you." My presence remains, just as it was during Moses' time. "And the rivers shall not overwhelm you," akin to the moment when Jesus crossed the Jordan. "And when you walk through the fire, you will not be consumed." The same assurance will be granted to them as was to their ancestors.

Ambrose of Milan

4th centuryChurch Father

The Qualities of a Pilgrim We are pilgrims in this world, joined by many on this journey. Each seeks to navigate this path wisely. The Lord accompanies those who walk in righteousness. Thus, let us reflect on the Scriptures: ‘When you pass through the waters, I will be with you, and through the rivers, they shall not overwhelm you; when you walk through fire, you shall not be burned, and the flame shall not consume you’ (Is 43:2). However, the individual whose heart is ignited by lust and whose spirit is consumed by unchecked desires is not on the right path, but rather torments the very core of his being. A good reputation holds more value than wealth, and grace surpasses vast sums of silver.

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Faith stands firm and, being inherently precious and abundant, grows even richer through its embrace. There is nothing that the wise man lacks, save for that which does not align with virtue. Wherever the wise one walks, all things are his. The entire world is under his stewardship, for he possesses it fully and governs it as his own.

When the rulers of the world observed these events, they convened and united in their astonishment (Psalm 47:5-6). Remarkable are these rulers, for they have the ability to govern their own bodies; they trace their lineage back to the patriarch Abraham, who imparted the wisdom that it is possible to conquer sin. Thus, truly is the King who remains untainted by disgrace, in whom guilt and temptation hold no dominion. Consequently, the sons of Heth addressed this Man, saying, "Thou art a king from God unto us" (Gen. 23:6). Such are the rulers of the earth—they have mastered their flesh and gathered to share one heart and one soul, as the Scriptures declare, for the community of believers possessed one heart and one soul, and there were no divisions among them (Acts 4:32).

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They united not merely in location but also in spirit and intent. To those who have persevered through trials, it is proclaimed, "Come, sit down at the table" (Luke 17:7). Only a truly virtuous person can transition from a life of disgrace to one of honor, moving from the temporal to the eternal, transforming a life of carnality, and renouncing everything associated with it. It is fitting that such a person is told, "If you cross over the water, I am with you" (Isaiah 43:2). God is present with those who confront challenges, rather than those who retreat. The kings who once were at odds found unity and peace, becoming one in Christ, who "made of both one" (Eph. 2:14), abolishing hostility through His flesh and dismantling the dividing wall between them. They were amazed, either by Him known at the thresholds of their homes or by the transformation of men who had once served the devil, now devoted to the service of the Lord Jesus, becoming His servants. As rulers of their own bodies, they gained wisdom about themselves, for it is no simple task to master the soul, to quell passions, to bring the desires of the flesh into submission, and to forsake indulgences. Paul fought to avoid being a captive to the law of sin. The kings were in awe of the grace that enabled others to achieve virtue and were concerned that someone might fall from the heights of virtue and succumb to vice again. Human nature is fickle and prone to sway towards one extreme or the other, causing a person to lean toward virtue or to yield to temptation. Thus, they were filled with dread and anxiety, reflecting on the words of the Psalm, "In the places of the wicked the righteous groan" (Proverbs 28:28). Observe how deeply Peter wept, caught off guard by sin, which, due to the frailty of his body, led his virtuous soul to despair. Christ rightfully chastised him, as Peter had relied on his own resolve without recognizing his fallen human nature. Through grace, Peter redeemed himself from sin, whereas Judas remained unrepentant, lamenting continuously. While Judas was with the apostles, he appeared righteous, but the devil deceived him, and now in the company of the wicked, he mourns for the punishment that replaced grace. When individuals like Judas or Saul, whom God has called into the kingdom, fall into sin, even the strongest among men tremble.

Clement of Alexandria

2nd centuryChurch Father

The Lord will uphold us, and as you transition, He assures you that you will not stumble. This means that we will not be lost when we enter into eternity, for He will maintain our safety; it is His promise and His desire.

John Cassian

5th centuryChurch Father

You conclude that the thrill of earthly desires is unavoidable, similar to how the bladder fills and causes discomfort to the resting parts of the body. However, true adherents of purity are not significantly disturbed by this discomfort, as it may only lead to essential functions during sleep. It is crucial to recognize that even if the body is stirred, through the strength of virtue, it can return to tranquility, experiencing rest not only without expulsion but also without any lingering thoughts of desire. Thus, to align the spirit's law with the body's law, moderation in water intake is essential. This prevents the accumulation of moisture, which rarely leads to the physical excitement you deem unavoidable.

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Instead, it allows this inner fire to be calmed, comforting, and tempered, akin to the extraordinary sight witnessed by Moses, where the cup of our flesh is safeguarded by a benign fire. Similarly, the three youth in the Chaldean furnace experienced flames that were dulled by a gentle spirit, leaving not even a singe on their hair or garments. In this way, we can start to embody, even within our mortal forms, the promise given to the saints through the prophet: ‘If you go through the fire, you shall not be burned, and the flame shall not scorch you.’

Caesarius of Arles

6th centuryChurch Father

The Lord speaks to those who remain alert and yearning: Here I am! (Is 58:9) and When you pass through the fire, I am present with you; the flames will not harm you (Is 43:2). When you earnestly seek in prayer, you shall receive. As you knock while offering charity, Christ will welcome you and grant you access to the everlasting kingdom. If you are pondering the culmination of all things, turn your thoughts to that final destiny.

Gregory the Great

6th centuryChurch Father

God is always present with us. The floods will overwhelm those who are misled by the actions of this world. However, the one who, through the grace of the Holy Spirit, upholds a clear and righteous mindset navigates through the waters and remains unharmed by the floods. This is because, even among the nations, he journeys along his divinely appointed path, ensuring that the focus of his thoughts is not influenced by the deeds of this age.

Isaac the Syrian

6th centuryChurch Father

Faith disregards natural trepidation. The unstoppable flow of water cannot bear the weight of human steps upon its surface, and one who draws near to flames is destined to feel their heat; should he muster the bravery to approach, calamity is sure to ensue. Faith takes caution to protect itself from such fates and refuses to overstep its bounds. Yet, faith, in its essence, surpasses all limitations and boldly proclaims, “If thou go through the fire, thou shalt not be burned, and the rivers shall not drown thee” (Isaiah 43:2). Throughout creation, faith has manifested these realities time and again. Were faith exposed to temptation in this manner, it would undoubtedly refrain from doing so.

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Many have been empowered by faith to confront flames, restraining their destructive force, emerging unscathed, and traversing the sea's surface as if it were dry ground. Such acts transcend natural order and challenge established norms, demonstrating the futility inherent in all human ways and regulations. Can you perceive how faith maintains the boundaries of nature? Can you recognize how faith elevates itself above the natural realm and outlines the course of its journey?

Procopius of Gaza

6th centuryChurch Father

Custodian of His creation The meaning here diverges from that expressed in the earlier section concerning the covenant people, where God refers to them as deaf, blind, and stripped of their dignity. In this context, the focus shifts to the more favorable status of those faithful to the covenant who belong to a higher order. The first group comprised those who experienced suffering, but in this instance, the term ‘you’ pertains to those who acknowledge their Creator and Craftsman, who sustains and nurtures you, justly bearing the names Jacob and Israel (Is 42:1). For I formed you according to My essence in My likeness, fashioned your body from the earth, and offered My blood for your redemption, reclaiming My creation.

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Being deserving of these gifts, walk in the way set before you, and share the glad tidings. Despite the attacks against you, do not be afraid. For I am with you until the end of the age (Matthew 28:20). Follow Me, who willingly shed My blood as the ransom for you .... You are Mine (Is 43:1). It is declared that we belong to Christ, even prior to the estrangement from God that occurred when we, as sinners, departed from the garden of Eden, for by our very nature we have always been God's. Yet He reclaimed us through the Holy Spirit, empowering us amidst every trial. Waters, rivers, and fire (Is 43:2) symbolize various forms of challenges. Indeed, all who seek to live righteously in Christ Jesus will face persecution (2 Tim 3:12). However, Christ reassured those who trust in Him, saying, You will encounter tribulation in the world (Jn 16:22).

Cross references

Passages read together with this verse.