Matthew 25:3
For the foolish, when they took their torches, did not provide themselves with oil;
Matthew 23:25-26
"Alas for you, Scribes and Pharisees, hypocrites, for you wash clean the outside of the cup or dish, while within they are full of greed and self-indulgence.
2 Timothy 3:5
and will keep up a make-believe of piety and yet live in defiance of its power. Turn away from people of this sort.
Hebrews 12:15
Be carefully on your guard lest there be any one who falls back from the grace of God; lest any root bearing bitter fruit spring up and cause trouble among you, and through it the whole brotherhood be defiled;
Revelation 3:1
"To the minister of the Church at Sardis write as follows: "'This is what He who has the seven Spirits of God and the seven stars says. I know your doings--you are supposed to be alive, but in reality you are dead.
Revelation 3:15-16
I know your doings--you are neither cold nor hot; I would that you were cold or hot!