16:4.5

Unquestionably, when we encounter the functional activities of the various Morontia Power Supervisors, we are face to face with certain of the unrevealed activities of the Master Spirits. Who, aside from these ancestors of both physical controllers and spirit ministers, could have contrived so to combine and associate material and spiritual energies as to produce a hitherto nonexistent phase of universe reality—morontia substance and morontia mind?