Luke 17:3

"Be always looking out for another. If your brother ever sins, reprove him, and if he repents, forgive him.

Matthew 18:21

Then Peter came up to Him and asked, "Lord, how many times may my brother wrong me and I have to forgive him? As many as seven?"

Matthew 18:15-17

"Again, if your brother wrongs you, go and while alone with him show him the wrong. If he listens to you, you have won back your brother.

Luke 21:34

But ever be on your guard, so that your hearts may not be loaded down with self-indulgence, drunkenness, and worldly worries, and that day, like a trap, catch you unawares.

Galatians 2:11-14

Now when Cephas came to Antioch, I opposed him to his face, because he stood condemned.

Ephesians 5:15

So you must be very careful how you live, not thoughtlessly but thoughtfully,

Hebrews 12:15

Continue to look after one another, that no one fails to gain God's spiritual blessing; or some evil like a bitter root may spring up and trouble you, and many of you be contaminated by it --

James 5:19

My brothers, if any one of you has wandered away from the truth, and someone brings him back,

2 John 1:8

Look out for yourselves, so as not to lose what we have worked for, but so as to get your 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
But ever be on your guard, so that your hearts may not be loaded down with self-indulgence, drunkenness, and worldly worries, and that day, like a trap, catch you unawares.
Ephesians 5:15
So you must be very careful how you live, not thoughtlessly but thoughtfully,
Hebrews 12:15
Continue to look after one another, that no one fails to gain God's spiritual blessing; or some evil like a bitter root may spring up and trouble you, and many of you be contaminated by it --
2 John 1:8
Look out for yourselves, so as not to lose what we have worked for, but so as to get your full reward.

If

Matthew 18:15
"Again, if your brother wrongs you, go and while alone with him show him the wrong. If he listens to you, you have won back your brother.

Rebuke

Galatians 2:11
Now when Cephas came to Antioch, I opposed him to his face, because he stood condemned.
James 5:19
My brothers, if any one of you has wandered away from the truth, and someone brings him back,