2 Samuel 4:9-10

And David answered. David's answer is worthy of him. His appeal to Jehovah, as One that had saved him in all time of adversity, was a declaration that he had no need of criminals. And throughout he had carefully abstained from taking any steps to bring about the accomplishment of God's will, and had been upright and forbearing alike to Ishbosheth and Saul. How noble his conduct was we see by the contrast with Macbeth, whose better nature was poisoned and spoiled by the hope that he should be king hereafter. At the end of the verse the force is weakened in the Authorized Version by the insertion of irrelevant words. What David said is, "I slew him in Ziklag, and that was the reward I gave him for his tidings."