Acts 2:42
And they persevered stedfastly in the doctrine of the apostles, and in communion, and in breaking bread, and in prayers.
1 Corinthians 15:33-34
Be not deceived: evil conversations corrupt good manners.
2 Corinthians 6:14-18
Be not unequally yoked with infidels; for what participation hath righteousness with unrighteousness? and what fellowship [is there] between light and darkness?
Hebrews 10:24
and let us attentively observe one another, to excite an ardour of love and of good works:
Revelation 18:4
And I heard another voice from heaven, saying, Come forth out of her, my people, that ye have no share in her sins, and that so ye may not receive of her plagues.