Psalm 139:20 in the King James Version
For they speak against thee wickedly, and thine enemies take thy name in vain.
Context
19 If only you, God, would kill the wicked. Get away from me, you bloodthirsty men!
20 For they speak against you wickedly. Your enemies take your name in vain.
21 LORD, don’t I hate those who hate you? Am I not grieved with those who rise up against you?