"That the universe is a triple harmony, as the Godhead is a Trinity, you are aware. We live in the elemental world; over our head the celestial space, with its various spheres, revolves; and above this, finally, God is enthroned in the purely spiritual world of ideas. The unhappy scientists of your century have in their narrow prejudice separated these worlds from one another (but by crowding together the celestial and the elementary). Your so-called students of nature investigate only the elementary world, and your so-called philosophers only the ideal; but the former with all their delving in the various forms of matter, never reach the realm of the spiritual, but are rather led to disavow its existence; and the latter can never from the dim world of ideas summon up the concrete wealth of nature. In vain your students of nature imagine that in physiology, or your philosophers that in anthropology, they shall find the transition from one world to the other. We magicians, on the contrary, study these worlds as a unit. We find them combined by two mighty bonds: those of correspondence and causality. All things in the elementary world have their antitype in the celestial, and all celestial things have their corresponding ideas. These correspondences are strung from above downwards as strings on the harp of the universe, and on that harp the causalities move up and down like the fingers of a player. While your students of nature seek the chains of causality in only one direction, the horizontal, that which runs through things on the same level, that which connects things in one and the same elementary world; we, the students of magic, search with still greater diligence those perpendicular chains of causality which run through and combine corresponding objects in the three worlds. Our manner of investigating this perpendicular series resembles your method of examining the horizontal but slightly, if at all. What unnecessary trouble your induction causes you! You wish to investigate the nature of some manifestation of force, for instance; you analyze it with great painstaking into different factors, you strive to isolate each of these factors and to cause them to act each its own part, to find out what each has contributed to the common expression of force. We meet with no such hindrances. A secret tradition has presented to us our perpendicular lines of causality almost entire, and we are able to fill up the lacunæ of this tradition by an investigation which is not impeded with any great difficulties. This investigation relies on the resemblances of things, for this similarity is derived from a correspondence, and causality is interwoven with correspondence. Thus, for instance, we judge from the resemblance between the splendor of gold and that of the sun that gold has its celestial correspondence in that luminary, and sustains to it a causal relation. Another example: the two-horned beetle bears a causal relation