2 Samuel 14:22

Joab fell to the ground on his face, showed respect, and blessed the king. Joab said, “Today your servant knows that I have found favor in your sight, my lord, O king, in that the king has performed the request of his servant.”

And Joab fell to the ground on his face, and bowed himself, and thanked the king: and Joab said, To day thy servant knoweth that I have found grace in thy sight, my lord, O king, in that the king hath fulfilled the request of his servant.