Acts 2:1

for John baptized with water, but you will be baptized with the Holy Spirit not many days from now.”

but you will receive power when the Holy Spirit has come upon you; and you shall be My witnesses both in Jerusalem, and in all Judea and Samaria, and even to the end of the earth.”

And when they had prayed earnestly, the place where they had gathered together was shaken, and they were all filled with the Holy Spirit and began to speak the word of God with confidence.

For Paul had decided to sail past Ephesus so that he would not have to spend time in Asia; for he was hurrying to be in Jerusalem, if possible, on the day of Pentecost.

But I will remain in Ephesus until Pentecost,

The Holy Spirit Comes at Pentecost