Acts 1

But you will receive power when the Holy Spirit comes on you; and you will be my witnesses in Jerusalem, and in all Judea and Samaria, and to the ends of the earth.
Acts 1:8 evangelism Spirit strength
After he said this, he was taken up before their very eyes, and a cloud hid him from their sight.
Acts 1:9 miracles Jesus heaven

They were looking intently up into the sky as he was going, when suddenly two men dressed in white stood beside them. “Men of Galilee,” they said, “why do you stand here looking into the sky? This same Jesus, who has been taken from you into heaven, will come back in the same way you have seen him go into heaven.”
Acts 1:10-11 ascension second coming heaven
They all joined together constantly in prayer, along with the women and Mary the mother of Jesus, and with his brothers.
Acts 1:14 community prayer