Ephesians 5:11

and do not participate in the unfruitful works of darkness, but rather even reprove them;

2 John 1:10-11

If any one comes to you, and brings not this teaching, receive him not into your house, and do not wish him well:

Treasury of Scripture Knowledge

Summary

And Ahab king of Israel said unto Jehoshaphat king of Judah, Wilt thou go with me to Ramothgilead? And he answered him, I am as thou art, and my people as thy people; and we will be with thee in the war.

Bible References

I am as thou

Ephesians 5:11
and do not participate in the unfruitful works of darkness, but rather even reprove them;
2 John 1:10
If any one comes to you, and brings not this teaching, receive him not into your house, and do not wish him well: