Acts 1:3-5 Revised Geneva Translation (RGT)
3 and to whom He presented Himself alive by many sure signs after He had suffered - being seen by them over forty days and speaking of those things concerning the Kingdom of God).
4 And when He had gathered them together, He commanded them not to depart from Jerusalem, but to wait for the promise of the Father, which, He said, “You have heard from Me.
5 “For John indeed baptized with water. But you shall be baptized with the Holy Ghost within a few days.”