St. Paul returns to the phrase “the promises of God” with striking frequency in his letters. For him, these were never abstract ideas or distant hopes. They were the foundation on which faith rests, the fuel that sustains hope, and the motive that inspires love. In his Second Letter to the Corinthians, Paul makes a breathtaking claim:
For all the promises of God are ‘Yes’ in Christ. And so through Him, our ‘Amen’ is spoken to the glory of God (2 Corinthians 1:20).
This single verse holds a universe of meaning. Every promise God has made, from the first whisper in Eden to the final vision of the New Jerusalem, finds its fulfilment in Jesus Christ. He is not merely the messenger of God’s promises; He is the promise itself. To live God’s promises, then, is to live in Christ and let His “Yes” echo through every circumstance of our lives.
God Who Makes Promises
To trust a promise, I must first know the one who makes it. In the ancient world, a promise was only as reliable as the character of the one who spoke it. Kings broke treaties, merchants defaulted on debts, and friends betrayed confidences. Into this landscape of human unreliability, God spoke, and His Word carried absolute weight. The Catechism of the Catholic Church teaches that God’s promises are grounded in His very nature, for He is truth itself (CCC 215). Human promises depend on circumstances, whereas God’s promises depend only on His faithfulness. The Book of Numbers puts it plainly:
God is not a human being, that he should lie, or a mortal, that he should change his mind. Has he promised, and will he not do it? Has he spoken, and will he not fulfil it? (Numbers 23:19).
The Abrahamic Promise
God gives Abraham the first great promise, which serves as the blueprint for all that follows (Genesis 12:2-3). Notice its threads: a great nation, a great name, and a blessing for all the families of the earth. Woven together, these three promises (land, dynasty, and universal blessing) form the skeleton of the Old Testament narrative. They are reaffirmed to Isaac, Jacob, Moses, and David, and they run through the Law, the Prophets, and the Writings. Yet, crucially for the Catholic reader, these promises are not ultimately about territory or politics. The Letter to the Hebrews tells us that Abraham understood this blueprint of salvation and was waiting for Heaven (Hebrews 11:9-10).
The Davidic Promise
The promise to David builds on the covenant with Abraham. Through the prophet Nathan, God declares, “Your house and your kingdom shall be made sure forever before me; your throne shall be established forever” (2 Samuel 7:16). This is astonishing. David was a shepherd turned king, a man with a chequered past and a divided heart, yet God still promised him an eternal dynasty. Solomon’s throne did not last forever, so the fulfilment cannot be Solomon. It is Jesus Christ, the Son of David, whose kingdom has no end. The angel Gabriel tells Mary, “He will reign over the house of Jacob forever, and of his kingdom there will be no end” (Luke 1:33). Every time we pray in the Creed, “and his kingdom will have no end,” we proclaim that the promise of the eternal throne is fulfilled.
The New Covenant Promise
The most intimate promise comes through the Prophet Jeremiah in the darkest hour of Israel’s history – the Exile. With the Temple destroyed and the people scattered, God speaks words of astonishing hope. The days are surely coming when the Lord makes a new covenant with the house of Israel and the house of Judah. A covenant unlike that made with their ancestors when God took them by the hand to bring them out of the land of Egypt, which covenant they broke. In the New Covenant, the Lord says, “I will put my law within them, and I will write it on their hearts; and I will be their God, and they shall be my people” (Jeremiah 31:33).
This promise changes everything. The old covenant was written on stone; the new is written on hearts. The old was external; the new is internal. The old exposed sin; the new gives the power to overcome it. The Letter to the Hebrews quotes the passage at length (cf. Hebrews 8:8-12) to show that Jesus Christ is the mediator of this new and better covenant.
The Promises Confirmed in Christ
At the heart of the Gospel, every promise we have examined – Abraham’s blessing, David’s throne and Jeremiah’s new heart – all find their “Yes” in Jesus Christ. He is the promises.
Immediately after the Fall, God makes a promise to the serpent that echoes through the ages. This protoevangelium, the “first gospel,” is the earliest hint of a Redeemer who would crush the power of sin and death (cf. Genesis 3:15). On the Cross, the Lord Jesus Christ strikes the serpent’s head, and in His Resurrection He shows that death itself has been conquered. The promise made in the shadow of Eden is fulfilled in the light of the empty tomb.
God also promised Abraham that in his offspring “all the families of the earth shall be blessed” (Genesis 12:3). St. Paul identifies that offspring with stunning precision (Galatians 3:16). Jesus is Abraham’s seed through whom the blessing of salvation reaches Jew and Gentile alike. At the Last Supper, He takes the cup and says, “This cup that is poured out for you is the new covenant in my blood” (Luke 22:20). In that single sentence, the promise of Jeremiah 31 is inaugurated. The new covenant is not a future hope; it is a present reality, made available through the Eucharist.
In his catechesis on the theological virtues, Pope Francis reminds us that faith is “the act by which the human being freely commits himself to God” (CCC 1814). He notes that “the invisible” compelled Abraham to ascend Mount Moriah with Isaac. “In this faith, Abraham becomes the father of a long line of descendants. Faith made him fruitful.” This is the essence of living the promises: we walk by faith, not by sight. We trust the God who has proven His faithfulness in Christ, even when our circumstances seem to contradict His promises.
Promises For the Christian Life
The New Testament is saturated with precious promises that are “Yes” in Christ and open to every believer:
- Rest in His presence. “I will never leave you or forsake you” (Hebrews 13:5). This promise, originating from the Old Testament (Deuteronomy 31:6 & Joshua 1:5), is reiterated to the Church. In a world filled with isolation and loneliness, it offers immeasurable comfort. God does not visit us only occasionally; He permanently dwells with us through the Holy Spirit.
- Receive His forgiveness. “If we confess our sins, he who is faithful and just will forgive us our sins and cleanse us from all unrighteousness” (1 John 1:9). This promise lies at the heart of the Sacrament of Reconciliation. God does not merely overlook sin; He cleanses it, removing it “as far as the east is from the west” (Psalm 103:12). The promise is conditional, requiring confession, but for those who confess, it is absolute.
- Accept His peace. “Come to me, all you that are weary and are carrying heavy burdens, and I will give you rest.” (Matthew 11:28). Jesus does not promise the absence of trouble. He promises rest in the midst of it. The peace He offers is not the peace the world gives (John 14:27); it is a supernatural peace that “surpasses all understanding” (Philippians 4:7).
- Hold fast to eternal life. “For God so loved the world that he gave his only Son, so that everyone who believes in him may not perish but may have eternal life” (John 3:16). This promise encompasses all the others. Eternal life is not merely unending existence; it is the life of God Himself, shared with His people, and the fulfilment of Jesus’ prayer: “This is eternal life, that they may know you, the only true God, and Jesus Christ whom you have sent” (John 17:3).
- Welcome the Holy Spirit. “You will receive power when the Holy Spirit has come upon you” (Acts 1:8). The Spirit is the “promise of the Father” (Luke 24:49 & Acts 1:4), the down payment and guarantee of our inheritance (Ephesians 1:13-14). He enables us to live the promises: to believe them, to hope in them, and to act upon them.
Living The Promises
The Letter to the Hebrews teaches us how to live the promises (Hebrews 10:23). Scripture and the Catechism suggest four ways to do so:
- Know the promises. I cannot claim what I do not know. This requires regular, disciplined engagement with Scripture. God’s promises are scattered throughout the Bible like hidden treasures, and I must dig them up. Lectio Divina, the ancient practice of sacred reading, is one way to encounter these promises personally.
- Believe the promises. Belief is not merely intellectual assent; it is a surrender of the heart. When Abraham was promised a son in his old age, “he did not weaken in faith… but he grew strong in his faith as he gave glory to God, being fully convinced that God was able to do what he had promised” (Romans 4:19-21). This is the faith that renders promises fruitful.
- Act on the promises. Faith without works is dead (James 2:26). If I believe God forgives, I go to Confession. If I believe God provides, I give generously. If I believe God is present, I seek Him in prayer. The promises of God are not passive comforts; they are active invitations to live differently.
- Wait for the promises. Not every promise is fulfilled at once. Abraham waited twenty-five years for Isaac. Israel waited four hundred years in Egypt. The Church has waited two thousand years for Christ’s return. God fulfils His promises in His time, not ours. As the Catechism teaches, hope is the virtue by which we “desire the kingdom of heaven and eternal life as our happiness, placing our trust in Christ’s promises and relying not on our own strength, but on the help of the grace of the Holy Spirit” (CCC 1817).
Where Do the Promises Lead?
The final book of the Bible gives a vision of the ultimate fulfilment of every promise. St. John sees “a new heaven and a new earth” (Revelation 21:1), and hears a voice from the throne declaring: “See, the home of God is among mortals. He will dwell with them as their God; they will be his peoples, and God himself will be with them” (Revelation 21:3).
Every promise we have examined converges on this moment. The land promised to Abraham becomes the New Jerusalem. The throne promised to David becomes the Lamb’s eternal reign. The new heart promised through Jeremiah becomes the complete transformation of our resurrected bodies. The forgiveness promised through Christ culminates in the final wiping away of every tear (Revelation 21:4).
Take-Home Message
To live the promises of God is to live in His “Amen.” Paul places that word at the end of his meditation on the promises, “it is through him that we say the ‘Amen,’ to the glory of God.” (2 Corinthians 1:20). When I say “Amen,” I am not merely agreeing with a statement. I am saying, “It is true. It is sure. It is done.” I place my whole trust in the God who cannot lie and who proved His faithfulness in the death and resurrection of His Son. Each morning, I can pray: “Lord, I believe Your promises. I believe You are with me. I believe You forgive me. I believe You will never leave me. I believe You are preparing a place for me. Amen.” This is the life that glorifies God, not because we are strong, but because He is faithful.
*NB: Unless specifically stated, all Bible quotations are from the NRSVCE.