Acts 1:3-5 Christian Standard Bible (CSB)
3 After he had suffered, he also presented himself alive to them by many convincing proofs, appearing to them over a period of forty days and speaking about the kingdom of God.
The Holy Spirit Promised
4 While he was[a] with them, he commanded them not to leave Jerusalem, but to wait for the Father’s promise. “Which,” he said, “you have heard me speak about; 5 for John baptized with water, but you will be baptized with the Holy Spirit in a few days.”