'Have Mercy' in the Bible

{To the Chanter in Neginoth, a Psalm of David} Hear me when I call, O God of my righteousness! Thou hast set me at liberty when I was in trouble; have mercy upon me, and hearken unto my prayer.

Have mercy upon me, O LORD, for I am weak; O LORD, heal me, for my bones are vexed.

Have mercy upon me, O LORD; consider the trouble which I suffer of them that hate me, thou that liftest me up from the gates of death.

Turn thee unto me, and have mercy upon me; for I am desolate and in misery.

Hearken unto my voice, O LORD, when I cry unto thee: have mercy upon me, and hear me.

Hear, O LORD, and have mercy upon me. LORD, be thou my helper.

Have mercy upon me, O LORD, for I am in trouble, and mine eye is consumed for very heaviness, yea my soul and my body.

{To the chanter, a Psalm of David, when the Prophet Nathan came unto him, after he was gone in to Bathsheba} Have mercy upon me, O God, after thy great goodness; according to the multitude of thy mercies do away mine offences.

O remember not our old sins, but have mercy upon us, and that soon; for we are come to great misery.

O turn thee then unto me, and have mercy upon me; give thy strength unto thy servant, and help the son of thine handmaid.

Arise, therefore, and have mercy upon Zion, for it is time to have mercy upon her; yea, the time is come.

Behold, even as the eyes of servants look unto the hands of their masters, and as the eyes of a maiden unto the hands of her mistress, even so our eyes wait upon the LORD our God, until he have mercy upon us.

Have mercy upon us, O LORD, have mercy upon us, for we are utterly despised.