The day has come when Fellow Craftsmen must know and apply their knowledge. THE LOST KEY to their grade is the mastery of emotion, which places the energy of the universe at their disposal. Man can only expect to be entrusted with great power by proving his ability to use it constructively and selflessly. When the Mason learns that THE KEY TO THE WARRIOR on the block is the proper application of the dynamo of living power, he has learned THE MYSTERY OF HIS CRAFT. The seething energies of LUCIFER are in his hands and before he may step onward and upward, he must prove his ability to properly apply energy