John 13:17

Now that you know these things, happy are you if you do them.

John 15:9-10

As the Father has loved me, so have I loved you; remain in my love.

John 15:14

And you are my friends, if you do what I command you.

Romans 16:17

I urge you, Brothers, to be on your guard against people who, by disregarding the teaching which you received, cause divisions and create difficulties; dissociate yourselves from them.

1 Corinthians 5:11

But, as things are, I say that you are not to associate with any one who, although a Brother in name, is immoral, or covetous, or an idolater, or abusive, or a drunkard, or grasping-no, not even to sit at table with such people.

Ephesians 5:11

Take no part in deeds of Darkness, from which no good can come; on the contrary, expose them.

2 John 1:10-11

If any one comes to you and does not bring this Teaching, do not receive him into your house or welcome him;

Revelation 18:4

Then I heard another voice from Heaven saying--'Come out of her, my People, that you may not participate in her sins, and that you may not suffer from the Curses inflicted upon her.

Treasury of Scripture Knowledge

Summary

For so was it charged me by the word of the LORD, saying, Eat no bread, nor drink water, nor turn again by the same way that thou camest.

Bible References

For

John 13:17
Now that you know these things, happy are you if you do them.
John 15:9
As the Father has loved me, so have I loved you; remain in my love.

Eat no bread

Romans 16:17
I urge you, Brothers, to be on your guard against people who, by disregarding the teaching which you received, cause divisions and create difficulties; dissociate yourselves from them.
1 Corinthians 5:11
But, as things are, I say that you are not to associate with any one who, although a Brother in name, is immoral, or covetous, or an idolater, or abusive, or a drunkard, or grasping-no, not even to sit at table with such people.
Ephesians 5:11
Take no part in deeds of Darkness, from which no good can come; on the contrary, expose them.
2 John 1:10
If any one comes to you and does not bring this Teaching, do not receive him into your house or welcome him;
Revelation 18:4
Then I heard another voice from Heaven saying--'Come out of her, my People, that you may not participate in her sins, and that you may not suffer from the Curses inflicted upon her.