Job refers to 'the foundations of heaven' in the same vein as the apostle refers to them as 'the pillars of the Church,' highlighting Peter, James, and John, who were recognized as pillars, extending their right hand to me (Gal 2:9).
Moreover, we can rightly interpret 'the foundations of heaven' as referring to the Churches themselves, which collectively embody the one Church across the globe. The apostle John addresses the seven Churches, signaling the singular Church that is filled with the Spirit of sevenfold grace. This echoes Solomon’s declaration regarding the Lord: “Wisdom hath built herself a house, hewn out her seven pillars” (Proverbs 9:1). To clarify that this pertains to the seven Churches, let us consider the presentation of the Sacraments: she sacrificed, she prepared the wine, she set the feast; she sent forth her handmaids to summon the citadel and the walls of the city. "If any man be small, let him come to me" (Proverbs 9:2-4). Here, the Lord exemplified the sacrifice by offering Himself for us, and He 'mingled the wine,' combining the narrative of His deeds with their spiritual meaning. Thus, it is said, “For in the hand of the Lord is a cup, and the wine therein is red; it is mingled” (Psalm 74:9).
He has established the feast, represented by the Holy Scriptures, which refresh our weary souls with the bread of the Word as we come to Him burdened by the trials of the world, fortifying us against our adversaries. It is also stated regarding the Church, “Thou hast prepared a meal before me, against them that trouble me” (Psalms 22:5). His handmaids embody the Apostolic souls that, in their early stage of weakness, are referred to in the feminine form to suggest their role. They 'call upon the citadel and the walls of the city,' as through their discourse on the inner life, they elevate us towards the protective walls of the Heavenly City, which are none other than the humble, who do not seek their own elevation. Wisdom further instructs, “If any man be small, let him come unto Me,” which implies, "Those who consider themselves great in their own eyes block their path to Me; true honor is achieved by those who humble their minds."
Regardless of how righteous a person may be or how much knowledge they acquire, they cannot fully grasp the judgment of the Lord in His governance over us. Hence, we reiterate that the foundations of heaven tremble and stand in awe at His bidding; often, even those who perceive the outcomes of His will cannot fully comprehend the depth of His intention. Simultaneously, as previously mentioned, we can view this as referencing the Holy Angels who, through their continual contemplation of Him, are both awed and tremble—not in fear of His anger, but in reverent admiration. As he articulates the depth of His astonishment, he proceeds to discuss the order of our salvation.