Matthew 26:75
and Peter recollected the words of Jesus, how He had said, "Before the cock crows you will three times disown me." And he went out and wept aloud, bitterly.
2 Corinthians 2:7
So that you may now take the opposite course, and forgive him rather and comfort him, for fear he should perhaps be driven to despair by his excess of grief.
Galatians 6:1
Brethren, if anybody be detected in any misconduct, you who are spiritual should restore such a one in a spirit of meekness. And let each of you keep watch over himself, lest he also fall into temptation.
1 Peter 4:2-3
that in future you may spend the rest of your earthly lives, governed not by human passions, but by the will of God.