When Simon Peter saw it, he fell down at Jesus' knees, saying, Depart from me; for I am a sinful man, O Lord.
All Commentaries on Luke 5:8 Go To Luke 5
Cyril of Alexandria
AD 444
For calling back to his consciousness the crimes he had committed, he is alarmed and trembles, and as being unclean, he believes it impossible he can receive Him who is clean, for he had learnt from the law to distinguish between what is defiled and holy.