Acts 1 - ESV

But you will receive power when the Holy Spirit has come upon you, and you will be my witnesses in Jerusalem and in all Judea and Samaria, and to the end of the earth.
Acts 1:8 evangelism Spirit strength
And when he had said these things, as they were looking on, he was lifted up, and a cloud took him out of their sight.
Acts 1:9 miracles Jesus heaven

And while they were gazing into heaven as he went, behold, two men stood by them in white robes, and said, “Men of Galilee, why do you stand looking into heaven? This Jesus, who was taken up from you into heaven, will come in the same way as you saw him go into heaven.”
Acts 1:10-11 ascension second coming heaven
All these with one accord were devoting themselves to prayer, together with the women and Mary the mother of Jesus, and his brothers.
Acts 1:14 community prayer