“To the chief Musician, A Psalm of David, when Nathan the prophet came unto him, after he had gone in to Bathsheba. Have mercy upon me, O God, according to thy lovingkindness: according unto the multitude of thy tender mercies blot out my transgressions.”
To reprove him because he had committed so horrible sins, and lain in the same without repentance more than a whole year. As his sins were manifold and great, so he requireth that God would give him the feeling of his excellent and abundant mercies.