All the sciences of the world, O Son are comprehended in this my hidden Wisdom; and this, and the learning of the Art, consists in these wonderful hidden elements which it doth discover and complete. It behoves him, therefore, who would be introduced to this hidden Wisdom, to free himself from the hidden usurpations of vice ; and to be just, and good, and of a sound reason, ready at hand to help mankind, of a serene countenance, diligent to save, and be himself a patient guardian of the arcane secrets of philosophy. And this know that except thou understandest how to mortify and induce generation, to vivify the Spirit, and introduce Light, until they fight with each other and grow white and freed from their defilements, rising as it were from blackness and darkness, thou knowest nothing nor canst perform anything; but if thou knowest this, thou wilt be of a great dignity so that even kings themselves shall reverence thee. These secrets, Son, it behoves thee to conceal fr...