John 13:17
If you know these things, blessed are you if you do them.
John 15:9-10
As the Father has loved me, I also have loved you; abide in my love.
John 15:14
You are my friends if you do what I command you.
Romans 16:17
I urge you, brethren, to take note of those who cause divisions and difficulties, contrary to the doctrine which you have learned; avoid them.
1 Corinthians 5:11
But actually, I wrote to you not to associate with any one who bears the name of brother if he is an immoral person, or greedy, or an idolater, or a reviler, or a drunkard, or a swindlernot even to eat with such a one.
Ephesians 5:11
Do not participate in the unfruitful deeds of darkness, but instead expose them.
2 John 1:10-11
If anyone comes to you and does not bring this teaching, do not receive him into your house or give him any greeting;
Revelation 18:4
Then I heard another voice from heaven, saying, "Come out of her, my people, so that you will not share in her sins and receive of her plagues;