Acts 1:1-3 Meaning: What Jesus Began
1The first book I wrote, Theophilus, concerned all that Jesus began both to do and to teach,
2until the day in which he was received up, after he had given commandment through the Holy Spirit to the apostles whom he had chosen.
3To these he also showed himself alive after he suffered, by many proofs, appearing to them over a period of forty days and speaking about God’s Kingdom.
1The former treatise have I made, O Theophilus, of all that Jesus began both to do and teach,
2Until the day in which he was taken up, after that he through the Holy Ghost had given commandments unto the apostles whom he had chosen:
3To whom also he shewed himself alive after his passion by many infallible proofs, being seen of them forty days, and speaking of the things pertaining to the kingdom of God:
1The former treatise I made, O Theophilus, concerning all that Jesus began both to do and to teach,
2until the day in which he was received up, after that he had given commandment through the Holy Spirit unto the apostles whom he had chosen:
3to whom he also showed himself alive after his passion by many proofs, appearing unto them by the space of forty days, and speaking the things concerning the kingdom of God:
1The former account, indeed, I made concerning all things, O Theophilus, that Jesus began both to do and to teach,
2till the day in which, having given command, through the Holy Spirit, to the apostles whom he did choose out, he was taken up,
3to whom also he did present himself alive after his suffering, in many certain proofs, through forty days being seen by them, and speaking the things concerning the reign of God.
1I composed the first discourse, O Theophilus, concerning all things which Jesus began both to do and to teach,
2until that day in which, having by the Holy Spirit charged the apostles whom he had chosen, he was taken up;
3to whom also he presented himself living, after he had suffered, with many proofs; being seen by them during forty days, and speaking of the things which concern the kingdom of God;
Meaning in one sentence
Jesus' work in the Gospel was only the beginning. Acts 1:1-3 shows the risen Christ continuing His mission through the Spirit and His people.
Context
Luke wrote two books. The first was his Gospel, addressed to a man named Theophilus, a name that means “loved by God.” That book told what Jesus began to do and teach during his years on earth. This second book, the Acts of the Apostles, picks up where the Gospel left off. Luke reminds his reader that before Jesus was taken up into heaven, he gave final instructions to the apostles he had chosen. For forty days after his suffering and death, he appeared to them alive. Not once or twice, but many times. He gave them tangible evidence that death had not won. And he kept speaking with them about God’s Kingdom. These three verses form the bridge between the story of Jesus in Person and the story of Jesus still at work through his Spirit.
Key Words
Two Greek words in these verses deserve attention. The first is ērxato, translated “began.” It does not mean Jesus left his work unfinished. It means his earthly ministry was the start of something that would have no end. In his Gospel, Luke wrote the beginning. In Acts, he shows the same Jesus continuing to act, now from heaven, through the Spirit.
The second word is tekmēriois, translated “proofs.” This is a strong term. In Greek, a tekmērion is a sure sign, something that makes a fact certain. It is not a guess or a rumor. Luke says Jesus gave the apostles many such proofs. He ate with them. They touched him. He appeared to over five hundred people at once. The resurrection was not a private vision. It was tested and witnessed. That matters for your faith. It rests on something solid, not on wishful thinking.
How Christians Read This Verse
Christians across traditions have treasured these verses in different ways. Many Protestant commentators, like Matthew Henry and Jamieson-Fausset-Brown, emphasize that “began” shows the Gospel and Acts are one story. Jesus’ work on earth was the foundation, and the apostles’ mission is the building. The resurrection proofs are essential for confidence.
Catholic and Orthodox readers have noted the mention of the Holy Spirit even before Pentecost: Jesus gave his commandments “through the Holy Spirit.” This suggests Christ’s own ministry was Spirit-empowered, and he now pours out the same Spirit on his apostles. The forty days of teaching about the kingdom echo the time Moses spent on the mountain. The apostles are being prepared for a new exodus. Both the physical proofs and the kingdom teaching have been seen as gifts God gives the Church to anchor hope.
A common misunderstanding
A misunderstanding some readers bring to these verses is the word “began.” They think it means Jesus only started his work, and the apostles had to finish it on their own. In fact, the word points the other way. Jesus completed his saving work on the cross and rose in victory. Now he continues that work from heaven, through the Spirit, using his followers as living instruments. The apostles did not launch a new project. They stepped into the one Jesus began and still leads.
Living This Out
This week, you might be tempted to think your small acts of faithfulness do not matter much. A kind word for a tired coworker. A prayer said in private. A choice to forgive instead of holding a grudge. Remember Acts 1:1 tells you that Jesus began a work, and you are part of it now. Every step you take in love and obedience is not your own project. It is his work continuing through you. You do not have to see the whole plan. You just need to follow the one who started it all and who will finish it.
Main takeaway: Jesus began his work in the Gospel; through the Holy Spirit, he continues it in and through his people until he returns.
For Families
For ages 5, 8
Jesus did wonderful things and taught wonderful words. Then he went up to heaven. But he didn't stop working. He told his friends to keep telling people about him. You can be part of what Jesus is still doing.
For ages 9, 12
Luke wrote two books. His first book was about what Jesus began to do and teach while he was on earth. His second book, Acts, is about what Jesus kept doing after he went to heaven, through his Holy Spirit and through the apostles. Jesus showed his friends he was really alive again. He spent forty days with them, teaching them about God's kingdom. Then he gave them a job to do. And he gave them the power to do it. You are part of that same story.
Questions People Ask
Who was Theophilus?
Theophilus is the person Luke addresses at the beginning of his Gospel and again in Acts. His name means 'loved by God' or 'friend of God.' He may have been a wealthy patron who supported Luke's writing, or a believer who wanted a careful account. Luke wrote to give him certainty about what he had been taught.
Why does Luke say Jesus 'began' to do and teach?
The Greek word suggests a starting point, not an unfinished task. Jesus completed his earthly work on the cross and in the resurrection. But his ministry did not stop. From heaven, through the Holy Spirit, he continues to work in and through his followers. The Gospel recorded the beginning; Acts shows the continuation.
What were the 'many proofs' of the resurrection?
The Greek word tekmērion means a sure and evident sign. Luke lists examples elsewhere: Jesus eating with the disciples, allowing them to touch him, appearing to over five hundred people. These were not visions but physical, verifiable encounters. The apostles' willingness to suffer for this testimony also points to its truth.
What happened during the forty days between the resurrection and ascension?
During those forty days, Jesus repeatedly appeared to his apostles and other followers. He taught them about the kingdom of God and prepared them for the mission ahead. He also commanded them to wait in Jerusalem for the promise of the Holy Spirit. This time was like a training period before the church's public launch at Pentecost.
What does 'the kingdom of God' mean in this passage?
The kingdom of God is God's rule and reign, present now through Jesus and fully realized in the future. Throughout his ministry, Jesus talked about the kingdom. After his resurrection, he continued to explain what it meant. The apostles would soon proclaim this kingdom to the world, calling people to turn to God and follow Jesus as King.
For pastors & researchers
Greek interlinear, 8 commentaries & word study