“The LORD will perfect that which concerns me: thy mercy, O LORD, endures forever: forsake not the works of thine own hands.”
(Psalm 138:8)
The works of God are marked by a perfection that neither falters nor fails. Creation itself testifies to this truth, for in the beginning all that He made was “very good,” lacking nothing, complete in its order and beauty. But that same divine hand now engages in a greater work—the redemption of sinners and the building up of His church.
Regeneration often begins quietly, scarcely observable at first. The newborn believer finds himself fragile, unsteady, and imperfect. Indeed, we often see only remaining sin, ongoing struggle, and imperfect obedience in ourselves; yet the Lord Himself is actively at work in us, and He does not abandon His purposes.
What is sown in weakness will grow in strength because the Spirit does not abandon His work halfway. So we can say with the psalmist who speaks with confidence in God’s faithfulness: “The LORD will perfect that which concerns me,” knowing that the same mercy that called us out of darkness will sustain us until we are brought into full conformity with Christ.
This perfection extends beyond the individual to the whole church. Christ, having received all authority, undertakes the purification of His people. The imagery of the threshing floor shows that He separates, refines, and purges with unmatched wisdom.
No other hand is sufficient for this work, for the corruption of the heart and the disorder of the church are too deeply rooted for human remedy. Only the One who searches the heart can cleanse thoroughly. As both the refiner’s fire and the fuller’s soap, He applies both severity and cleansing until the work is complete. Indeed, the plea of the Psalmist rests in God’s character: “forsake not the works of thine own hands.” What God forms, He claims; what He claims, He preserves; what He preserves, He perfects.[1]
The Christian life is therefore not uncertain progress but assured completion under the hand of a faithful God. The beginning may be small, the progress uneven, and the path difficult, yet the end is certain. The Lord will perfect that which concerns His people, because His mercy endures forever and His purpose cannot be hindered.
Contemplations:
- Confidence in Divine Completion. Father, You who began the work of grace in me, teach me to rest in Your promise rather than my performance. I see weakness where You see purpose, and I measure progress by what is visible rather than by what You are accomplishing in secret. So don’t let me grow discouraged when growth feels slow, but anchor my hope in Your faithfulness. You carry every purpose through to its perfect end. Strengthen my confidence in this truth.
- Submission to Refining Work. Lord, when Your hand corrects and refines, help me submit rather than resist. Your cleansing work often exposes what I would rather conceal, yet You uncover only to heal and purify. Shape my heart so that I welcome Your refining work, and help me desire holiness more than comfort and purity more than ease, knowing that You are forming something eternal within me.
- Christ’s Authority Over His Church. Lord Jesus, You who possess all authority, continue Your work of cleansing Your church. Remove what dishonors Your name, and establish truth where error has crept in. Raise up faithful laborers who will stand firmly on Your Word. Guard Your church from compromise, and purify it so that it reflects Your holiness. May Your authority be recognized, and Your work of reformation be evident in every generation.
- Rest in Enduring Mercy. God of mercy, fix my heart on the unchanging nature of Your kindness. When doubts arise and discouragement presses in, remind me that Your mercy is not temporary or fragile. It does not fade with time or fail under pressure. You sustain what You have begun because Your love is constant. Let me rest in this assurance, knowing that my hope is not built on shifting ground but on Your eternal character.
Prayer (Adoration)
Most holy and eternal God, You are perfect in all Your works, and Your ways are entirely righteous and true. There is no flaw in Your counsel, no weakness in Your execution, and no failure in Your purpose. From the beginning You have declared the end, and all that You have ordained will surely come to pass.
Creation displays Your wisdom, providence reveals Your care, and redemption magnifies Your mercy. You are worthy to be praised for the greatness of Your works and the faithfulness with which You complete them.
You not only create but sustain and govern all things according to Your will. Nothing escapes Your notice, and nothing frustrates Your design. The work of Your hands is never abandoned, for You are not like man, that You should begin and fail to finish. Your purposes stand firm, and Your mercy secures their fulfillment. In this, Your glory shines forth, that You are both the Author and the Finisher of all that concerns Your people.
Thank You for the work of grace begun in the hearts of the redeemed. You call sinners out of darkness into Your light according to Your sovereign will. You plant new life within them, and though it appears small at first, You ensure that it will grow to maturity. You do not leave Your people to themselves but guide, correct, and sustain them until they are brought to perfection. This work reflects both Your power and Your patience.
Your mercy truly does endure forever. It does not change, weaken, or diminish. You remain constant in Your love, steadfast in Your promises, and unshaken in Your commitment to Your people. Because of this, there is no fear that You will forsake the work of Your hands. What You have formed, You will preserve. What You have begun, You will complete. This truth magnifies Your glory and humbles every heart that trusts in You.
We praise You for the work of purifying Your church. Though it bears marks of weakness and corruption, You have not abandoned it. Christ, Your Son, has been given authority to cleanse and refine His people. He works continually, removing what is impure and restoring what is broken. This is a great and powerful work, far beyond human ability, yet certain because it rests in His hands. For this we give You praise.
Let all honor and glory belong to You alone. Establish Your people in confidence that You will perfect all that concerns them. Cause them to rest in Your enduring mercy and to live in light of Your unchanging faithfulness.
In Jesus’ name I pray. Amen.
Further Scripture References for Psalm 138:8:
Philippians 1:6; Job 10:8-15; Psalm 57:2; Romans 8:28
[1] John Brinsley, Church Reformation, Tenderly Handled in Four Sermons, (London: G. M. for John Burroughes, at the Sign of the Golden Dragon, near the Inner Temple Gate in Fleet Street, 1643), 24-26.
