Lesson 1 — Acts 1: The Promise of the Father

"But you will receive power when the Holy Spirit has come upon you, and you will be my witnesses." — Acts 1:8

A second volume

Luke begins his second book by reminding Theophilus of his first: "In the first book, O Theophilus, I have dealt with all that Jesus began to do and teach..." (Acts 1:1).

Look at that word — began. The Gospel of Luke is what Jesus began to do. The book of Acts, then, is what Jesus continues to do. He has not stopped acting. He has only changed the way He acts — now through His body, His church, by His Spirit.

This is the right way to read Acts. Not as the story of what the apostles accomplished, but as the ongoing story of what the risen Jesus is doing through them.

Forty days of resurrection appearances

Verse 3 tells us Jesus appeared to the disciples over a period of forty days after His resurrection, speaking about the kingdom of God. This is not a small detail. Forty days is the same length as Israel's wilderness wandering compressed into a generation, the same length as Moses on Sinai, the same length as Elijah at Horeb.

Forty days is enough time for a foundation to be laid. Jesus is not in a hurry. The risen Lord is teaching them what He has already taught them — but now everything is different, because He is alive.

The command they did not expect

When the disciples gather, they ask the question we would all ask: "Lord, will you at this time restore the kingdom to Israel?" (1:6). They are still thinking in terms of political kingdom, immediate vindication, visible victory.

Jesus does not answer their question directly. He redirects them:

"It is not for you to know times or seasons that the Father has fixed by his own authority. But you will receive power when the Holy Spirit has come upon you..." (1:7-8)

The kingdom is coming — but not the way they imagine. Not by force of arms. Not by political reversal. By power from on high, given to witnesses.

What "wait" really means

In verse 4, Jesus orders them not to depart from Jerusalem, but to wait for the promise of the Father.

This is one of the most counter-intuitive commands in the New Testament. Jesus has just told them to make disciples of all nations (Matt. 28:19). The Spirit has not yet come. The fields are ripe. The world is dying. And the command is: wait.

There is a kind of mission that runs ahead of God. There is a kind of zeal that does not wait for power. Jesus refuses to let His church begin that way. The work of God must be done by the Spirit of God, or it is not the work of God.

If we will not wait for power, we will work in our own.

The geography of witness

Verse 8 gives us the famous map: "You will be my witnesses in Jerusalem and in all Judea and Samaria, and to the end of the earth."

This is not just a strategic plan. It is a theological pattern. The gospel goes outward in concentric circles:

Jerusalem — the place of greatest comfort, where they already are
Judea — the region of cultural similarity
Samaria — the place of historical hostility, where they would rather not go
The end of the earth — every people group, every language, every village

The Spirit who comes in Acts 2 will push the church through every one of these rings. The book of Acts is literally the story of this geography unfolding.

For us in East Africa: Where is our Jerusalem? Our Samaria? What is at the end of the earth from where we sit?

The Ascension

Verses 9-11 record the Ascension. Jesus is lifted up, a cloud receives Him, and two men in white stand by them and say: "This Jesus, who was taken up from you into heaven, will come in the same way as you saw him go into heaven."

The Christ who was lifted will be lifted again — back into our sight. The same Jesus. Bodily. Visibly. This is the hope under all of Acts. We do not work because the work depends on us. We work because the King is coming back.

Reflection questions

Where in your ministry are you running ahead of the Spirit instead of waiting?
Is there a "Samaria" — a people or region you would rather avoid — that the Lord may be calling you toward?
How does the truth that Jesus is coming back bodily shape your week?

Prayer

Father, give us the patience to wait for Your promise, and the courage to obey when it comes. Send Your Spirit again on Your church. We are witnesses with nothing to say without Him. In Jesus' name, amen.

Next lesson: Acts 2 — When the Spirit Came.

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