In an age of materialism like our own the phenomenon of spiritual power is as significant and inspiring as it is rare. No longer associated with the “divine right” of kings, it has survived the downfall of feudal and theocratic systems as a mystic personal emanation in place of a coercive weapon of statecraft. Freed from its ancient shackles of dogma and despotism it eludes analysis. We know not how to gauge its effect on others, nor even upon ourselves. Like the wind, it permeates the atmosphere we breathe, and baffles while it stimulates the mind with its intangible but compelling force. This psychic power, which the dead weight of materialism is impotent to suppress, is revealed in the lives and writings of men of the most diverse creeds and nationalities. Apart from those who, like Buddha and Mahomet, have been raised to the height of demi-gods by worshiping millions, there are names which leap inevitably to the mind—such names as Savonarola,...