And the prophet David, according to the interpretation of the great Peter, looks to Him and foretells: "You will not leave My soul in Hades, nor will You allow Your Holy One to see corruption" (Ps 15:10). The Apostle Peter gives this prophecy the following explanation: "His soul was not left in Hades, and His flesh did not see corruption." His Godhead, both before the Incarnation, during His earthly life, and after the Passion, constantly remained unchanged, as it always was by nature and will remain forever. By the suffering of the human nature, it fulfilled the divine economy of our salvation. It separated the soul from the body for a time, yet was not itself separated from what had once been assumed.
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It again united what had been severed, and thereby established the way and beginning of resurrection from the dead for all human nature. Thus all corruption might put on incorruption, and the mortal immortality. Our Firstfruits, through union in God with the divine nature, was transformed, as Peter also says: "God has made this Jesus, whom you crucified, both Lord and Christ" (Acts 2:36). Much more can also be taken from Holy Scripture for the understanding and confirmation of this dogma. The Lord, by the human nature of Christ, reconciled the world to Himself and distributed between His soul and body the benefits that people received from Him. For He showed benevolence through the soul and touched them bodily. But it would be superfluous to raise many new questions in this work.