Revelation 3:15 in the King James Version
I know thy works, that thou art neither cold nor hot: I would thou wert cold or hot.
Context
14 “To the angel of the assembly in Laodicea write: “The Amen, the Faithful and True Witness, the Beginning of God’s creation, says these things:
15 “I know your works, that you are neither cold nor hot. I wish you were cold or hot.
16 So, because you are lukewarm, and neither hot nor cold, I will vomit you out of my mouth.