Luke 17:3

take care of your conduct. if your brother offend you, rebuke him, and if he repent, forgive him.

Matthew 18:21

Then Peter advancing to him, said, Lord, if my brother injures me, how many injuries must I forgive him? must I forgive him seven?

Matthew 18:15-17

Now in case such a brother do you an injury, go and expostulate with him in private: if he repents, thou hast saved thy brother.

Luke 21:34

set a guard upon yourselves, that ye be not stupified by surfeiting and drunkenness, or by the disquietudes of this life, and so that day come upon you with a surprize.

Galatians 2:11-14

But when Peter came to Antioch, I opposed him to his face, for he was to be blamed.

Ephesians 5:15

See then that you behave circumspectly, and not as fools, but as wise,

Hebrews 12:15

take care not to deprive yourselves of the divine favour: and that no poisonous root spring up, and spread a general infection among you.

James 5:19

My brethren, when any of you deviates from the truth, whoever sets him right, may be assured,

2 John 1:8

be upon your guard, that we may not lose the fruit of our labours, but that we may receive our full reward.

Treasury of Scripture Knowledge

Summary

Take heed to yourselves: If thy brother trespass against thee, rebuke him; and if he repent, forgive him.

Bible References

Heed

Luke 21:34
set a guard upon yourselves, that ye be not stupified by surfeiting and drunkenness, or by the disquietudes of this life, and so that day come upon you with a surprize.
Ephesians 5:15
See then that you behave circumspectly, and not as fools, but as wise,
Hebrews 12:15
take care not to deprive yourselves of the divine favour: and that no poisonous root spring up, and spread a general infection among you.
2 John 1:8
be upon your guard, that we may not lose the fruit of our labours, but that we may receive our full reward.

If

Matthew 18:15
Now in case such a brother do you an injury, go and expostulate with him in private: if he repents, thou hast saved thy brother.

Rebuke

Galatians 2:11
But when Peter came to Antioch, I opposed him to his face, for he was to be blamed.
James 5:19
My brethren, when any of you deviates from the truth, whoever sets him right, may be assured,