The only promises that matter are promises kept. God’s promises to us are called great and precious. These promises include, joy peace and eternal life. But these promises have their greatest fulfillment not in blessings but in a person. That promise is the person of the Holy Spirit.
He is, in the words of the hymn, in the garden where Jesus is waiting.” He is already waiting to find us when we open the gate to go in.
And being assembled together with them 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 Acts 1:4