The "promise" was the Holy Spirit and not only would He fall upon them once they were all in the upper room that famous Pentecost, but He clothe all of them power. It truly is a painstaking process and requires much calm. https://xvx5Xkakke7gehoqs23i4m4qynp7hn4yanvnfb7fgl2b6x2ihaca.webpkgcache.com/doc/-/s/Broadmind.CO.Kr%2Fbbs%2Fboard.php%3Fbo_table%3Dfree%26wr_id%3D205307