Thematic Bible: The reward for being lukewarm

"To the angel of the church in Laodicea write: " 'The Amen, the true and faithful witness, the origin of God's creation, speaks thus: I know what you are doing, and that you are neither cold nor hot. I wish you were either cold or hot! As it is, since you are tepid and neither cold nor hot, I am going to spit you out of my mouth!