What did Jesus mean when He said 'It is finished'?

Of the last sayings of Christ on the cross, none is more important or more poignant than His very last utterance, “It is finished.” Found only in the Gospel of John, the Greek word translated “it is finished” is tetelestai, an accounting term that means “paid in full.” When Jesus uttered those words, He was declaring the debt owed to His Father was wiped away completely and forever. Not that Jesus wiped away any debt that He owed to the Father; rather, Jesus eliminated the debt owed by mankind—the debt of sin.

Just prior to His arrest by the Romans, Jesus prayed His last public prayer, asking the Father to glorify Him, just as Jesus had glorified the Father on earth, having “finished the work you have given me to do” (John 17:4). The work Jesus was sent to do was to “seek and save that which is lost” (Luke 19:10), to provide atonement for the sins of all who would ever believe in Him (Romans 3:23-25), and to reconcile sinful men to a holy God. “All this is from God, who reconciled us to himself through Christ and gave us the ministry of reconciliation: that God was reconciling the world to himself in Christ, not counting men's sins against them. And he has committed to us the message of reconciliation” (2 Corinthians 5:18-19). None other but God in the flesh could accomplish such a task.

Also completed was the fulfillment of all Old Testament prophecies, symbols, and foreshadowings of the coming Messiah. From Genesis to Malachi, there are over 300 specific prophecies detailing the coming of the Anointed One, all fulfilled by Jesus. From the “seed” who would crush the serpent’s head (Genesis 3:15), to the Suffering Servant of Isaiah 53, to the prediction of the “messenger” of the Lord (John the Baptist) who would “prepare the way” for the Messiah, all prophecies of Jesus’ life, ministry, and death were fulfilled and finished at the cross.

Although the redemption of mankind is the most important finished task, many other things were finished at the cross. The sufferings Jesus endured while on the earth, and especially in His last hours, were at last over. God’s will for Jesus was accomplished in His perfect obedience to the Father (John 5:30; 6:38). Most importantly, the power of sin and Satan were finished. No longer would mankind have to suffer the “flaming arrows of the evil one” (Ephesians 6:16). By raising the “shield of faith” in the One who completed the work of redemption and salvation, we can, by faith, live as new creations in Christ. Jesus’ finished work on the cross was the beginning of new life for all who were once “dead in trespasses and sins” but who are now made “alive with Christ” (Ephesians 2:1, 5).

Recommended Resource: One Perfect Life: The Complete Story of the Lord Jesus by John MacArthur .

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How should a Christian deal with feelings of guilt regarding past sins, whether pre- or post-salvation?

Everyone has sinned, and one of the results of sin is guilt. We can be thankful for guilty feelings because they drive us to seek forgiveness. The moment a person turns from sin to Jesus Christ in faith, his sin is forgiven. Repentance is part of the faith that leads to salvation (Matthew 3:2; 4:17; Acts 3:19).

In Christ, even the most heinous sins are blotted out (see 1 Corinthians 6:9-11 for a list of unrighteous acts that can be forgiven). Salvation is by grace, and grace forgives. After a person is saved, he will still sin, and when he does, God still promises forgiveness. “But if anybody does sin, we have one who speaks to the Father in our defense—Jesus Christ, the Righteous One” (1 John 2:1).

Freedom from sin, however, does not always mean freedom from guilty feelings. Even when our sins are forgiven, we still remember them. Also, we have a spiritual enemy, called “the accuser of our brothers” (Revelation 12:10) who relentlessly reminds us of our failures, faults, and sins. When a Christian experiences feelings of guilt, he or she should do the following things:

1) Confess all known, previously unconfessed sin. In some cases, feelings of guilt are appropriate because confession is needed. Many times, we feel guilty because we are guilty! (See David’s description of guilt and its solution in Psalm 32:3-5.)

2) Ask the Lord to reveal any other sin that may need confessing. Have the courage to be completely open and honest before the Lord. “Search me, O God, and know my heart; test me and know my anxious thoughts. See if there is any offensive way in me, and lead me in the way everlasting” (Psalm 139:23-24).

3) Trust the promise of God that He will forgive sin and remove guilt, based on the blood of Christ (1 John 1:9; Psalm 85:2; 86:5; Romans 8:1).

4) On occasions when guilty feelings arise over sins already confessed and forsaken, reject such feelings as false guilt. The Lord has been true to His promise to forgive. Read and meditate on Psalm 103:8-12.

5) Ask the Lord to rebuke Satan, your accuser, and ask the Lord to restore the joy that comes with freedom from guilt (Psalm 51:12).

Psalm 32 is a very profitable study. Although David had sinned terribly, he found freedom from both sin and guilty feelings. He dealt with the cause of guilt and the reality of forgiveness. Psalm 51 is another good passage to investigate. The emphasis here is confession of sin, as David pleads with God from a heart full of guilt and sorrow. Restoration and joy are the results.

Finally, if sin has been confessed, repented of, and forgiven, it is time to move on. Remember that we who have come to Christ have been made new creatures in Him. “Therefore, if anyone is in Christ, he is a new creation; the old has gone, the new has come!” (2 Corinthians 5:17). Part of the “old” which has gone is the remembrance of past sins and the guilt they produced. Sadly, some Christians are prone to wallowing in memories of their former sinful lives, memories which should have been dead and buried long ago. This is pointless and runs counter to the victorious Christian life God wants for us. A wise saying is “If God has saved you out of a sewer, don’t dive back in and swim around.”

Recommended Resource: Enemies of the Heart: Breaking Free from Emotions That Control You by Andy Stanley .