Luke 17:3
Take heed to yourselves: if thy brother sin against thee, rebuke him, and if he repent, forgive him.
Matthew 18:21
Then came Peter to him and said, Lord, how often shall my brother sin against me, and I forgive him?
Matthew 18:15-17
But if thy brother shall sin against thee, go and tell him his fault, between thee and him alone: if he will hear thee, thou hast gained thy brother.
Luke 21:34
But take heed to yourselves, lest at any time your hearts be overloaded with gluttony, and drunkenness, and the cares of this life, and so that day come upon you unawares.
Galatians 2:11-14
But when Peter came to Antioch, I withstood him to the face, because he was to be condemned.
Ephesians 5:15
See then that ye walk circumspectly,
Hebrews 12:15
Looking diligently, lest any one fall from the grace of God, lest any root of bitterness springing up trouble you, and thereby many be defiled: Lest there be any fornicator or profane person,
James 5:19
Brethren, if any one among you err from the truth, and one convert him,
2 John 1:8
This is the seducer and the antichrist. Look to yourselves, that we lose not the things we have wrought, but receive a full reward.