PREFACE We shall exhibit true religion with such characters, that no one, believer or unbeliever, can fail to recognize it; that will be the absolute in religion. We shall establish in philosophy the immutable characters of that Truth, which is in science, reality; in judgment, reason; and in ethics, justice. Finally, we shall acquaint you with the laws of Nature, whose equilibrium is stability, and we shall show how vain are the phantasies of our imagination before the fertile realities of movement and of life. We shall also invite the great poets of the future to create once more the divine comedy, no longer according to the dreams of man, but according to the mathematics of God. Mysteries of other worlds, hidden forces, strange revela- tions, mysterious illnesses, exceptional faculties, spirits, apparitions, magical paradoxes, hermetic arcana, we shall say all, and we shall explain all. Who has given us this power? We do not fear to reveal it to our readers. There exists an occult and sacred alphabet which the Hebrews attribute to Enoch, the Egyptians to Thoth or to Hermes Trismegistus, the Greeks to Cadmus and to Pala- medes. This alphabet was known to the followers of Pytha- goras, and is composed of absolute ideas attached to signs and numbers ; by its combinations, it realizes the mathematics of thought. Solomon represented this alphabet by seventy- two names, written upon thirty-six talismans. Eastern initiates still call these the “little keys” or clavicles of Solomon. These keys are described, and their use explained, in a book the source of whose traditional dogma is the patriarch Abraham. This book is called the Sepher Yetzirah ; with the aid of the Sepher Yetzirah one can penetrate the xiii