Acts 1:6-10
6When they therefore were come together, they asked of him, saying, Lord, wilt thou at this time restore again the kingdom to Israel?
7And he said unto them, It is not for you to know the times or the seasons, which the Father hath put in his own power.
8But ye shall receive power, after that the Holy Ghost is come upon you: and ye shall be witnesses unto me both in Jerusalem, and in all Judaea, and in Samaria, and unto the uttermost part of the earth.
9And when he had spoken these things, while they beheld, he was taken up; and a cloud received him out of their sight.
10And while they looked stedfastly toward heaven as he went up, behold, two men stood by them in white apparel;
(KJV)