Matthew 26:75
Then Peter remembered Jesus' words, "Before a cock crows, you will disown me three times." And he went outside and wept bitterly.
2 Corinthians 2:7
so you must do the opposite, freely forgive and comfort him, to keep him from being overwhelmed by his excessive sadness.
Galatians 6:1
Brothers, if anybody is caught in the very act of doing wrong, you who are spiritual, in the spirit of gentleness, must set him right; each of you continuing to think of yourself, for you may be tempted too.
1 Peter 4:2-3
so that he no longer can spend the rest of his earthly life in harmony with human desires but in accordance with God's will.