Luke 22:62
And Peter went out and wept bitterly.
Matthew 5:4
Blessed are they that mourn; for they shall be comforted.
Matthew 26:75
And Peter remembered the word of Jesus, who had said to him, before the cock crow, thou wilt deny me thrice. And he went out, and wept bitterly.
Mark 14:72
Then Peter called to mind the word which Jesus had said to him, Before the cock crow twice thou wilt deny me thrice. And he covered his face and wept.
1 Corinthians 10:12
Wherefore let him, that thinks he standeth, take heed least he fall.
2 Corinthians 7:9-11
However, now I rejoice, not that ye were made sorry, but that ye sorrowed to repentance; for ye were grieved after a godly manner, so that ye received no damage from us.