Acts 1:2 (WEB) - 2 until the day in which he was received up, after he had given commandment through the Holy Spirit to the apostles whom he had chosen.
Acts 1:3 (WEB) - 3 To these he also showed himself alive after he suffered, by many proofs, appearing to them over a period of forty days, and speaking about God’s Kingdom.
Acts 1:4 (WEB) - 4 Being assembled together with them, he commanded them, “Don’t depart from Jerusalem, but wait for the promise of the Father, which you heard from me.
Acts 1:8, 8 But 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. - KJV
Acts 1:11 (WEB)
who also said, “You men of Galilee, why do you stand looking into the sky? This Jesus, who was received up from you into the sky, will come back in the same way as you saw him going into the sky.”
13 When they had come in, they went up into the upper room where they were staying; that is Peter, John, James, Andrew, Philip, Thomas, Bartholomew, Matthew, James the son of Alphaeus, Simon the Zealot, and Judas the son of James.
14 All these with one accord continued steadfastly in prayer and supplication, along with the women, and Mary the mother of Jesus, and with his brothers.
16 “Brothers, it was necessary that this Scripture should be fulfilled, which the Holy Spirit spoke before by the mouth of David concerning Judas, who was guide to those who took Jesus.
Acts 1:18 (WEB) - 18 Now this man obtained a field with the reward for his wickedness, and falling headlong, his body burst open, and all his intestines gushed out.
Acts 1:19 (WEB) - 19 It became known to everyone who lived in Jerusalem that in their language that field was called ‘Akeldama,’ that is, ‘The field of blood.’