1 Samuel 24:14,15

After whom is the king of Israel come out? David here employs every persuasive art to move Saul. He represents himself in as contemptible a light as possible; that he might convince Saul it was not for his honour to take so much pains to kill him, if he could do it. The Lord, therefore, be judge He thought he could not repeat this too often, that as he had done hitherto, so he still resolved hereafter, to leave it to God to judge which of them was in the right, and not to avenge himself.