James 2:13 in the King James Version
For he shall have judgment without mercy, that hath shewed no mercy; and mercy rejoiceth against judgment.
Context
12 So speak and so do as men who are to be judged by the law of freedom.
13 For judgment is without mercy to him who has shown no mercy. Mercy triumphs over judgment.
14 What good is it, my brothers, if a man says he has faith, but has no works? Can faith save him?