And the Lord turned, and looked upon Peter. And Peter remembered the word of the Lord, how he had said unto him,
Before the cock crows, you shall deny me three times.
All Commentaries on Luke 22:61 Go To Luke 22
Cyril of Alexandria
AD 444
This miserable act arose from the affliction of human cowardice. The disciple’s conscience condemned him. The proof of this is his grieving immediately afterwards and his tears of repentance that fell from his eyes as for a serious sin. It says, “Having gone out, he wept bitterly,” after Christ had looked at him and reminded him of what he had said to Peter. Commentary on Luke, Homily