Pentecost

Pentecost is named here as the watershed moment just ahead — after it, the practice of casting lots disappears entirely because the Spirit dwelling within believers replaces the need for it.

Pentecost is invoked as the benchmark for comparison — the tongues and praise erupting in Cornelius's house are the same signs that marked the Spirit's first outpouring, making the parallel undeniable.

Pentecost is the Jewish harvest festival that drew pilgrims from across the known world to Jerusalem, providing the massive multinational audience that witnessed and heard the Spirit's arrival.

Pentecost is the Jerusalem festival driving Paul's tight travel schedule — he wants to arrive in the city by this particular date, which is why he bypasses Ephesus rather than stopping.

Pentecost is the immediate backdrop to this chapter — the explosive event that launched the movement and set the stage for everything Peter and John are about to do.

Pentecost is the reference point for understanding what happens in Samaria — the Spirit's arrival here mirrors the founding event of the church, signaling that Samaritans receive the same gift on equal footing.

Pentecost is the occasion when Peter preached his landmark sermon, in which he used this psalm to declare Jesus as the exalted Lord seated at God's right hand.

Pentecost is the moment when David's quiet personal psalm became the theological cornerstone of the first Christian sermon, as Peter stood before a crowd and used these exact verses to proclaim the resurrection of Jesus.

Pentecost is the specific festival morning when Joel's vision became history — the Spirit falling on Jesus' followers in Jerusalem, prompting Peter to name it as the fulfillment of this prophecy.

Pentecost is introduced here by its etymological root — the Greek word for fifty — explaining the name that will later attach to this harvest feast counted exactly fifty days after the Firstfruits offering.

Pentecost is what Jesus is pointing toward when he tells them to wait in the city — the imminent arrival of the Spirit that will empower them to carry this message to the world.