On the night before His crucifixion, Jesus lifted a cup and made a stunning announcement:
“This cup, which is poured out for you, is the new covenant in My blood.” (Luke 22:20)
With those words, Jesus declared that His death would inaugurate the final chapter in the long story of God’s covenants with humanity.
The division of our Bible into the Old and New Testaments comes from the Greek word diatheke, meaning “covenant.” When this word was translated into Latin, it became testamentum, which refers to a legal agreement that takes effect after someone’s death.
In many ways, our Bibles could just as accurately be described as the story of the Old Covenant and the New Covenant.
In Scripture, covenants are not merely legal agreements—they form the framework of redemption history. When Jesus spoke of the “new covenant in my blood,” He was announcing the fulfillment of God’s covenant story.
Paul later emphasized the significance of this moment when he described the Lord’s Supper:
“This cup is the new covenant in my blood; do this, whenever you drink it, in remembrance of me.” (1 Corinthians 11:25)
For Jesus’ Jewish disciples, covenant language was deeply familiar. Their entire national identity was shaped by God’s covenant relationship with Israel. When Jesus spoke of a new covenant, they likely struggled to understand how it would differ from the old.
Gentile believers today often overlook the importance of this idea because we have never lived under the Old Covenant. Yet the New Testament devotes an entire book—Hebrews—to explaining why the New Covenant matters.
The cross did more than forgive sins. It inaugurated an entirely new way of living in relationship with God.
Covenants in the Ancient World
In both the ancient world and the Old Testament, covenants were binding relational agreements. They were not simply contracts between parties. Covenants often transformed outsiders into family.
Examples included:
• Marriage covenants
• Adoption covenants
• Blood brotherhoods
Covenant ceremonies frequently involved symbolic actions such as:
• Cutting animals
• Sharing a covenant meal
• Exchanging garments or weapons
• Swearing binding oaths
In the ancient world, covenants were made in the presence of the gods and confirmed with sacrifice. Breaking a covenant was not merely illegal—it was considered sacrilegious.
Covenants in the Old Testament
The major turning points of the biblical story occur through covenants God established with humanity:
• The covenant with Noah
• The covenant with Abraham
• The covenant with Moses
• The covenant with David
In each case, God initiated the covenant, revealing His desire for a relationship with His people.
The covenant with Abraham became the foundational model. As Paul explains in Romans and Galatians, Abraham’s relationship with God was grounded in faith and grace.
It is a misunderstanding to think the Old Covenant was based on works while the New Covenant is based on grace. Both covenants originate in the grace of God.
The Mosaic Law was not given so Israel could earn membership in God’s family. Rather, it showed them how to live as the covenant people of Yahweh.
Israel was not chosen because of their merit. Abraham himself was an unknown pagan whom God sovereignly called to become the father of a new people.
Once God forms a covenant family, the central question becomes: How should God’s covenant people live?
The Significance of the New Covenant
Against this background, Jesus’ words at the Last Supper become even more profound. His death would inaugurate the final covenant between God and humanity.
The cross confirmed and initiated the New Covenant and established a new pattern of life in God’s kingdom.
Communion, therefore, does more than remember forgiveness—it renews our covenant relationship with the risen King.
- A Covenant That Supersedes the Old
The book of Hebrews teaches that the New Covenant makes the previous covenant obsolete:
“By calling this covenant ‘new,’ he has made the first one obsolete.” (Hebrews 8:13)
The Old Covenant functioned as a tutor leading people to Christ (Galatians 3:24), but it could not impart life.
The New Covenant is the climax of the covenant story.
- A New Heart
Under the New Covenant, God writes His law on human hearts rather than on stone tablets.
“I will put my laws in their minds and write them on their hearts.” (Hebrews 8:10)
Instead of merely regulating behavior, God transforms the inner life.
- Direct Knowledge of God
Under the New Covenant, access to God is no longer restricted to priests or sacred spaces.
When Jesus died, the temple curtain was torn from top to bottom, symbolizing open access into God’s presence.
Every believer can now personally know God.
- Complete Forgiveness
Under the Old Covenant, sacrifices were repeated year after year.
The New Covenant rests on one final sacrifice.
“I will remember their sins no more.” (Hebrews 8:12)
John the Baptist declared:
“Behold, the Lamb of God who takes away the sin of the world.”
Jesus’ sacrifice was once for all. The final sacrifice has ascended into heaven, where Christ now serves as our High Priest.
- The Indwelling Spirit
The New Covenant is also a covenant of the Spirit.
God’s presence now dwells within His people, transforming them from the inside out.
“You are God’s temple and God’s Spirit dwells in you” (1 Corinthians 3:16).
The Old Covenant could declare what was right, but it could not empower a person to live righteously.
Under the New Covenant, God gives both instruction and empowerment.
- A Global Covenant
The New Covenant is no longer limited to ethnic Israel.
Through Christ it extends to people from every nation.
The promise to Abraham that his descendants would be as numerous as the stars is fulfilled as people from every tribe and nation become part of God’s covenant family.
When We Forget the New Covenant
When believers misunderstand the New Covenant, several distortions often appear.
We begin living under law rather than grace, trying to earn God’s favor through performance.
We may view God as distant, transactional, or difficult to please rather than as a loving Father.
Without grasping the finality of Christ’s sacrifice, we may carry unnecessary guilt and shame.
And when we underestimate the New Covenant, we can easily overlook the role of the Holy Spirit—relying more on programs, rituals, or institutions than on the transforming presence of God within us.
Conclusion
Christus Victor calls believers to live as liberated citizens of a victorious King.
The cross did more than forgive our sins—it shattered the rule of darkness and inaugurated the New Covenant.
Through that covenant, God gives us:
• A new heart
• Direct access to His presence
• Complete forgiveness
• The indwelling Spirit
The cross-shaped life is, therefore, not merely a life of sacrifice. It is a life of freedom and courage, lived in the wake of Christ’s triumph and empowered by the Spirit of the risen King.
For Reflection
- Why do you think Jesus described His death as initiating a new covenant?
- Which aspect of the New Covenant most encourages you personally: forgiveness, a new heart, access to God, or the indwelling Spirit?
- Why is it incorrect to say the Old Covenant was based on works and the New Covenant on grace?
- How does knowing that Christ’s sacrifice was “once, for all, forever” change the way we deal with guilt and shame?
- In what ways do Christians today sometimes fall back into performance-based religion?