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Have Mercy on Me, O God

A devotional by John Piper for reading on August 10th

Have mercy on me, O God, according to your steadfast love; according to your abundant mercy blot out my transgressions. ( Psalms 51:1 Chapter 51 1 Have mercy upon me, O God, according to thy lovingkindness: According to the multitude of thy tender mercies blot out my transgressions. )

Three times: “Have mercy,” “according to your steadfast love,” and “according to your abundant mercy.”

This is what God had promised in Exodus 34:6 6 And Jehovah passed by before him, and proclaimed, Jehovah, Jehovah, a God merciful and gracious, slow to anger, and abundant in lovingkindness and truth, –7:

“The Lord, the Lord, a God merciful and gracious, slow to anger, and abounding in steadfast love and faithfulness, keeping steadfast love for thousands, forgiving iniquity and transgression and sin, but who will by no means clear the guilty.”

David knew that there were guilty who would not be forgiven. And there were guilty who by some mysterious work of redemption would not be counted as guilty, but would be forgiven. Psalms 51 Chapter 51 1 Have mercy upon me, O God, according to thy lovingkindness: According to the multitude of thy tender mercies blot out my transgressions. 2 Wash me thoroughly from mine iniquity, And cleanse me from my sin. 3 For I know my transgressions; And my sin is ever before me. 4 Against thee, thee only, have I sinned, And done that which is evil in thy sight; That thou mayest be justified when thou speakest, And be clear when thou judgest. 5 Behold, I was brought forth in iniquity; And in sin did my mother conceive me. 6 Behold, thou desirest truth in the inward parts; And in the hidden part thou wilt make me to know wisdom. 7 Purify me with hyssop, and I shall be clean: Wash me, and I shall be whiter than snow. 8 Make me to hear joy and gladness, That the bones which thou hast broken may rejoice. 9 Hide thy face from my sins, And blot out all mine iniquities. 10 Create in me a clean heart, O God; And renew a right spirit within me. 11 Cast me not away from thy presence; And take not thy holy Spirit from me. 12 Restore unto me the joy of thy salvation; And uphold me with a willing spirit. 13 Then will I teach transgressors thy ways; And sinners shall be converted unto thee. 14 Deliver me from bloodguiltiness, O God, thou God of my salvation; `And' my tongue shall sing aloud of thy righteousness. 15 O Lord, open thou my lips; And my mouth shall show forth thy praise. 16 For thou delightest not in sacrifice; else would I give it: Thou hast no pleasure in burnt-offering. 17 The sacrifices of God are a broken spirit: A broken and contrite heart, O God, thou wilt not despise. 18 Do good in thy good pleasure unto Zion: Build thou the walls of Jerusalem. 19 Then will thou delight in the sacrifices of righteousness, In burnt-offering and in whole burnt-offering: Then will they offer bullocks upon thine altar. Psalm 52 For the Chief Musician. Maschil of David; when Doeg the Edomite came and told Saul, and said unto him, David is come to the house of Abimelech. is his way of laying hold on that mystery of mercy.

We know more of the mystery of this redemption than David did. We know Christ. But we lay hold of the mercy in the same way he did.

The first thing he does is turn helpless to the mercy and love of God. Today that means turning helpless to Christ.



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