14 These all continued steadfastly with one accord in 3prayer…
143 The disciples might have prayed to be clothed with the Spirit of power, the promise of the Father, for which the Lord had charged them to remain in Jerusalem (Luke 24:49; Acts 1:4), and might also have prayed for the commission given to them by the Lord in Luke 24:47-48 and 1:8 of this book to bear His testimony to the uttermost part of the earth.
God wanted to pour out His Spirit for the carrying out of His New Testament economy and had promised to do it. Yet He still needed His chosen people to pray for this. As God in heaven, He needs men on earth to cooperate with Him for the carrying out of His plan. The one hundred twenty disciples’ praying for ten days met this need of God’s.