Athanasius

“It would, of course, have been unthinkable that God should go back upon His word [Genesis 2:17] and that humanity, having transgressed, should not die. it was unthinkable that God, the Father of Truth, should go back on His word regarding death [Genesis 2:17] in order to ensure our continued existence. He could not make Himself a liar. What, then, was God to do?. The Logos perceived that our perishing condition could not besdefjmj

7 abolished except through death. Yet He Himself, as the Logos, being immortal and the Father’s Son, could not die. For this reason, therefore, He assumed a body capable of death, in order that this body, through belonging to the Logos Who is above all, might become a sufficient exchange in dying for all. His body, remaining imperishable through His indwelling, would thereafter put an end to perishing for all others as well, by the grace of the resurrection. By surrendering to death the body which He had taken, as an offering and sacrifice free from every stain, He immediately abolished death for His human brothers by the offering of the equivalent. For naturally, since the Logos of God was above all, when He offered His own temple and bodily instrument as a substitute for the life of all, He fulfilled by death all that was required.” (On the Incarnation of the Logos, 6-7, 9.)