2 Chronicles 6:42

O LORD God, turn not away the face of thine anointed: remember the mercies of David thy servant. Turn not away the face of thine anointed - i:e., of me, who by thy promise and appointment have been installed as king and ruler of Israel. The words are equivalent in meaning to this: Do not reject my present petitions; do not send me from thy throne of grace dejected in countenance and disappointed in heart.

Remember the mercies or David thy servant - i:e., the mercies promised to David; and in consideration of that promise, hear and answer my prayer (cf. Psalms 132:10).