 He said to them, It is not for you to know times or seasons which the Father has fixed by his own authority, but you shall receive power when the Holy Spirit has come upon you, and you shall be my witnesses in Jerusalem and in all Judea and Samaria and to the end of the earth. And when he had said this, as they were looking on, he was lifted up, and a cloud took him out of their sight. And while they were gazing into heaven as he went, behold,