Matthew 25:3
for the thoughtless ones took their lamps but took no oil with them.
Matthew 23:25-26
A curse on you, you hypocritical scribes and Pharisees, for you clean the outside of the cup and the dish, but inside they are full of your greed and self-indulgence.
2 Timothy 3:5
keeping up the forms of religion but not giving expression to its power. Avoid such people.
Hebrews 12:15
Continue to look after one another, that no one fails to gain God's spiritual blessing; or some evil like a bitter root may spring up and trouble you, and many of you be contaminated by it --
Revelation 3:1
"To the messenger of the church at Sardis write: 'The One who holds the seven spirits of God and the seven stars speaks as follows: "I know what you are doing; you have the reputation of being alive, but in reality you are dead.
Revelation 3:15-16
"I know what you are doing, and that you are neither cold nor hot. I wish you were cold or hot.