Cyril of Jerusalem : If the cross is an illusion, the resurrection is an illusion also, and "if Christ has not risen, we are still in our sins." If the cross is an illusion, the ascension is also an illusion, and everything, finally, becomes unsubstantial. — Catechetical Lecture 13 John Chrysostom : "And if Christ hath not been raised, your faith is vain." With whatever is clear and confessed, he keeps on surrounding the resurrection of Christ, by means of the stronger point making even that which seems to be weak and doubtful, strong and clear. "Ye are yet in your sins." For if He was not raised, neither did He die; and if He died not, neither did He take away sin: His death being the taking away of sin. "For behold," saith one, "the Lamb of God, which taketh away the sin of the world." But how "taketh away?" By His death. Wherefore also he called him a Lamb, as one slain. But if He rose not again, neither was He slain: and if He was not slain, neither was sin taken away: and if it was not taken away, ye are in it: and if ye are in it, we have preached in vain: and if we have preached in vain, ye have believed in vain that ye were reconciled. And besides, death remains immortal, if He did not arise. For if He too was holden of death and loosed not its pains, how released He all others, being as yet Himself holden of it? — Homily on 1 Corinthians 39 Pelagius : If Christ lied about his resurrection, then he lied about his claim to forgive our sins also. — COMMENTARY ON THE FIRST EPISTLE TO THE CORINTHIANS 15