Deuteronomy 7:10 in the World English Bible
and repays those who hate him to their face, to destroy them. He will not be slack to him who hates him. He will repay him to his face.
Context
9 Know therefore that the LORD thy God, he is God, the faithful God, which keepeth covenant and mercy with them that love him and keep his commandments to a thousand generations;
10 And repayeth them that hate him to their face, to destroy them: he will not be slack to him that hateth him, he will repay him to his face.
11 Thou shalt therefore keep the commandments, and the statutes, and the judgments, which I command thee this day, to do them.