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 which. Jesus had spoken to him: Before the cock crows, you will deny me three times. And he went out, and wept bitterly.
Mark 14:72
And immediately the cock crew the second time. And Peter remembered the word that Jesus had spoken to him: Before the cock crows twice, you will deny me three times. And when he thought upon it, he wept.
1 Corinthians 10:12
"Wherefore, let him that thinks he stands, take heed lest he foil.
2 Corinthians 7:9-11
Now I rejoice not that you were made sorry, but that you sorrowed in order to repentance. For you sorrowed in a way acceptable to God, that you might in nothing receive injury from us.