Lord Jesus Christ, Son of God, have mercy on me. Angl ican Franciscan monk Brother Ramon and Bishop Simon Barrington-Ward each spent more than 20 years practicing this ancient form of Scripture-rooted meditation alone before spending time Praying the Jesus Prayer Together. Here, they offer practical guidelines for how to use the prayer individually and corporately; provide biblical and historical insights; and relate the spirit-filled supplication to essential patterns of discipleship.