Book: Understanding the Bible 101 – Chapter 11 , The Finished Work (Study Guide)
- Dr. Layne McDonald
- 7 hours ago
- 7 min read
"When he had received the drink, Jesus said, 'It is finished.' With that, he bowed his head and gave up his spirit." , John 19:30 (NIV)
The Cry That Changed Eternity
Imagine standing at the foot of the cross. The sky has turned an unnatural black, thick with a darkness that feels like a physical weight. The earth beneath your feet Trembles. The sound of the crowd's mockery has faded into a haunting, expectant silence. And then, through the labored breathing of a dying King, comes a single word that shattered the gates of hell and opened the way to the Father.
"Tetelestai."
In our English Bibles, we translate this as "It is finished." But in the original Greek, it carries a weight that "finished" barely scratches. It was a cry of triumph. It was the sound of a legal debt being settled once and for all. It was the declaration that the work of salvation, planned before the foundations of the world were laid, was now complete. Nothing could be added to it. Nothing could be taken away from it.
In this study guide, we are diving into the profound depths of Chapter 11: The Finished Work. For our church family groups and small groups, this is more than a theological lesson; it is the foundation of our identity. If the work is finished, why do we so often live as if we are still trying to earn God’s favor? If the debt is paid, why do we still carry the heavy ledger of our past mistakes?
Let’s journey together into the heart of the Atonement.
Part 1: The Meaning of Tetelestai
When Jesus spoke those final words, he wasn't just saying that his life was ending. He was using a term that his listeners would have recognized from three distinct areas of life: the courtroom, the marketplace, and the temple.
1. The Legal Debt: Paid in Full
In the ancient world, when a person was sent to prison, a "certificate of debt" was nailed to their cell door, listing the crimes they had committed. When the sentence was served and the debt to society was paid, the authorities would stamp the document with the word Tetelestai, meaning the debt had been canceled. On the cross, Jesus took the certificate of debt that stood against us (Colossians 2:14) and nailed it to the wood. Your sin-debt is not just "forgiven"; it is legally satisfied.
2. The Accounting Ledger: The Balance is Zero
Merchants used Tetelestai to signify that a transaction was complete. If you bought a piece of land and made the final payment, the receipt would be marked Tetelestai. Salvation is not a "layaway" plan where we pay a little bit every week through our good deeds. Jesus paid the full price upfront.
3. The Priestly Inspection: Perfect
When a priest in the Old Testament inspected a sacrificial lamb and found no blemish, he would declare it fit for the altar. Jesus, the Lamb of God, was the perfect sacrifice. His work was "finished" because it was flawless.
Part 2: The Great Exchange
At the heart of the "Finished Work" is a concept theologians call Imputation, but we often call it The Great Exchange. This is the miraculous transaction that takes place the moment we put our faith in Jesus.
2 Corinthians 5:21 tells us: "God made him who had no sin to be sin for us, so that in him we might become the righteousness of God."
Look at the infographic above. On the cross, a double-transfer happened.
Our Sin was placed on Him: Every dark thought, every act of rebellion, every ounce of shame from our lives was gathered up and poured onto Christ. He didn't just "carry" our sin; He became the lightning rod for the judgment those sins deserved.
His Righteousness was placed on us: In exchange, we receive His perfect standing. When the Father looks at a believer, He doesn't see a "recovering sinner"; He sees the perfect righteousness of His Son.
This is why we can have assurance of salvation. If my standing with God depended on my performance today, I would be in trouble. But because my standing depends on His finished performance, I am secure.
Part 3: The Tearing of the Veil
One of the most physically dramatic moments of the crucifixion happened not on the hill of Golgotha, but inside the Temple in Jerusalem.
Matthew 27:51 records: "At that moment the curtain of the temple was torn in two from top to bottom."
For centuries, the "Holy of Holies", the place where the presence of God dwelt, was off-limits to everyone except the High Priest, and even then, only once a year with much fear and trembling. The veil was a thick, woven barrier that shouted, "Stay back! You are not clean enough to enter."
But when Jesus breathed His last, God reached down and ripped that curtain from top to bottom.
From the top: This signifies that the work was done by God, not man.
To the bottom: This signifies that the way is now open for every person, from the highest king to the lowliest servant.
Because of the finished work, you no longer need a human mediator to talk to God. You don't need a special ritual. You have "boldness to enter the Most Holy Place by the blood of Jesus" (Hebrews 10:19). This is the radical freedom of the New Covenant.
Part 4: The Assemblies of God Perspective: Healing and Sanctification
As we study this within our Pentecostal heritage, there are two distinctives we must highlight regarding the Finished Work.
1. Divine Healing is Provided
We believe that the atonement isn't just for our souls; it's for our whole being. Isaiah 53:5 says, "But he was pierced for our transgressions, he was crushed for our iniquities; the punishment that brought us peace was on him, and by his wounds we are healed."
The "Finished Work" means that provision for your physical and emotional healing was made at the cross. While we wait for the full manifestation of our glorified bodies, we pray for the sick with confidence because healing isn't a "bonus", it's part of the purchase price Jesus paid.
2. Position vs. Progress
Some people worry that if we emphasize "it is finished" too much, people will stop trying to grow. But the Bible distinguishes between our Position (Justification) and our Progress (Sanctification).
Justification (Finished): You are 100% saved and 100% righteous in God’s eyes the moment you believe. This never changes.
Sanctification (Ongoing): Because you are already loved and accepted, the Holy Spirit works in you to make your daily behavior match your holy position.
We don't live holy lives to get God to love us; we live holy lives because He already does.
Group Discussion Questions
For use in your Church Family Groups or Small Groups.
The Final Cry: When you hear the words "It is finished," what is the first emotion that rises in your heart? Relief? Gratitude? Or perhaps a bit of disbelief? Why?
The Debt: If someone walked into a bank and paid off your mortgage or student loans tomorrow, how would your daily life change? How should the knowledge that your "sin-debt" is paid change your daily stress levels?
The Great Exchange: Look at 2 Corinthians 5:21 again. Why is it so hard for us to accept Christ’s righteousness as our own? Why do we keep trying to "patch up" our own righteousness?
The Torn Veil: Before the cross, access to God was restricted and terrifying. Now, it is open and intimate. Do you take advantage of this access in your daily prayer life, or do you still feel like there is a "curtain" between you and the Father?
Healing in the Atonement: How does knowing that Jesus "bore our sicknesses" (Matthew 8:17) change the way you pray for yourself or others when they are ill?
Legalism vs. License: Some people think the "Finished Work" gives them a license to sin. Others think it’s not enough and we must add our own works. How does the Holy Spirit help us find the balance of living in grace while pursuing holiness?
The Enemy’s Accusation: The devil is called the "accuser of the brethren." How can you use the truth of Tetelestai the next time you feel condemned for a past sin?
Sharing the News: If you had to explain the "Finished Work" to a neighbor who has never been to church, what analogy from your own life would you use?
Scripture Reflection Exercise
Spend 10 minutes in silence reflecting on these verses. Write down what the Holy Spirit highlights to you.
Hebrews 10:12-14:"But when this priest [Jesus] had offered for all time one sacrifice for sins, he sat down at the right hand of God... because by one sacrifice he has made perfect forever those who are being made holy."
Romans 8:1:"Therefore, there is now no condemnation for those who are in Christ Jesus."
Colossians 2:13-14:"He forgave us all our sins, having canceled the charge of our legal indebtedness... nailing it to the cross."
Practical Application: Living from the "Done"
This week, I want to challenge you to practice "Done-Based Living."
The Morning Declaration: Every morning before your feet hit the floor, say aloud: "Lord, I thank You that the work of my salvation is finished. I am accepted, I am righteous, and I am loved because of what You did, not what I will do today."
Audit Your Anxiety: When you feel a wave of guilt or anxiety about your standing with God, ask yourself: "Am I acting as if the work is still unfinished?" Take that specific worry and "nail it" to the truth of John 19:30.
Bold Prayer: This week, pray for one thing you previously felt "unworthy" to ask for. Remember, the veil is torn. You aren't coming to God based on your record; you are coming on His.
A Prayer of Response
Father, we stand in awe of the cross. We thank You that You did not leave the work half-done. Thank You that my debt is paid, my shame is covered, and the way to Your heart is wide open. Help me to stop striving for what You have already given. Let the reality of "It is finished" sink deep into my bones this week, transforming the way I love, the way I lead, and the way I rest. In Jesus’ mighty name, Amen.
About the Author Layne McDonald, Ph.D., is the founder and director of Layne McDonald Ministries. With a heart for deep biblical teaching and a commitment to the truth of Scripture, Dr. McDonald specializes in creating resources that help believers understand the Bible, grow in their faith, and lead with wisdom. His work is rooted in Assemblies of God theology and is designed to be practical, emotionally intelligent, and spiritually grounded for the modern believer.
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If the work is truly finished, then why do we still feel the need to keep score? What would your life look like if you finally stopped trying to pay a debt that has already been erased?
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