Luke 17:3
Take heed to yourselves; if your brother sin against you, rebuke him; and if he repent, forgive him.
Matthew 18:21
Then Peter came to him, and said: Lord, how often shall my brother sin against me, and I forgive him? Till seven times?
Matthew 18:15-17
And if your brother sin against you, go and tell him of his fault between you and him alone; if he hear you, you have gained your brother.
Luke 21:34
And take heed to yourselves, lest your hearts become heavy with reveling and drunkenness and the cares of life, and that day come upon you when you look not for it.
Galatians 2:11-14
But when Peter came to Antioch, I openly opposed him, because he had incurred blame.
Ephesians 5:15
See, then, that you walk circumspectly, not as unwise, but as wise men,
Hebrews 12:15
taking care, lest any one slight the grace of God; lest any root of bitterness spring up and trouble you, and by this many be defiled;
James 5:19
Brethren, if any among you should err from the truth, and one should turn him back,
2 John 1:8
Look to yourselves, that we lose not the things that we have gained, but that we receive a full reward.