Deal with thy servant according unto thy mercy, and teach me thy statutes. Psalm 119:124
Have mercy upon me, O God, according to thy lovingkindness: according unto the multitude of thy tender mercies blot out my transgressions. Psalm 51:1
The simple fact of calling out for God’s mercy is proof that we are not deserving of His favor, and are not worthy. One who deserves help or favor does not call on another’s mercy. The psalmist knew what he needed, and he could only throw himself on the mercy of God.
Mercy can be defined as “not receiving what we deserve.” God, in His righteousness, should give us according to what we have earned (what we deserve). There seem to be many that want to be given what they deserve; or at least what they think they deserve. We will be eternally grateful for God’s great mercy that He did not give us what we deserve, and instead gives us what we do not deserve because of the sacrifice of Jesus Christ our Lord.
But I have trusted in thy mercy; my heart shall rejoice in thy salvation. Psalm 13:5. We can absolutely trust in God’s mercy. In fact, it is for ever, and will never change. For I have said , Mercy shall be built up for ever: thy faithfulness shalt thou establish in the very heavens. Psalm 89:2. For the LORD is good; his mercy is everlasting; and his truth endureth to all generations. Psalm 100:5. But the mercy of the LORD is from everlasting to everlasting upon them that fear him, and his righteousness unto children's children; Psalm 103:17.
We will never fully comprehend, this side of Glory, the amazing fullness of God’s mercy. It is far greater than we can imagine. For as the heaven is high above the earth, so great is his mercy toward them that fear him. Psalm 103:11. For God to be able to demonstrate His mercy towards us, it took the life of His Son.
O give thanks unto the LORD, for he is good: for his mercy endureth for ever. Psalm 107:1. We will be praising Him for all eternity for His mercy and His grace. Not unto us, O LORD, not unto us, but unto thy name give glory, for thy mercy, and for thy truth's sake. Psalm 115:1.
Not by works of righteousness which we have done , but according to his mercy he saved us, by the washing of regeneration, and renewing of the Holy Ghost; Titus 3:5