Psalm 54:5 in the King James Version
He shall reward evil unto mine enemies: cut them off in thy truth.
Context
4 Behold, God is my helper. The Lord is the one who sustains my soul.
5 He will repay the evil to my enemies. Destroy them in your truth.
6 With a free will offering, I will sacrifice to you. I will give thanks to your name, LORD, for it is good.