Air is the principal vehicle of vital Prana in the Hindu system, blood in the Cabbalist. See Deuteronomy, ch. XII, v. 23: "Only be sure that thou eat not the blood; for the blood is the life."
 Prana or "force" is often used as a generic term for all kinds of subtle energy. The prana of the body is only one of its "vayus". Vayu means air or spirit. The idea is that all bodily forces are manifestations of the finer forces of the more real body, this real body being a subtle and invisible thing.
 This substance need not be conceived as "material" in the crude sense of Victorian science; we now know that such phenomena as the rays and emanations of radioactive substances occupy an intermediate position. For instance, mass is not, as once supposed, necessarily impermeable to mass, and matter itself can be only interpreted in terms of motion. So, as to "prana", one might hypothesize a phenomenon in the ether analogous to isomerism. We already know of bodies chemically identical whose molecular structure makes one active, another inactive, to certain reagents. Metals can be "tired" or even "killed" as to some of their properties, without discoverable chemical change. One can "kill" steel, and "raise it from the dead"; and flies drowned in icewater can be resuscitated. That it should be impossible to create high organic life is scientifically unthinkable, and the Master Therion believes it to be a matter of few years indeed before this is done in the laboratory. Already we restore the apparently drowned. Why not those dead from such causes as syncope? If we understood the ultimate physics and chemistry of the brief moment of death we would get hold of the force in some say, supply the missing element, reverse the electrical conditions or what not. Already we prevent certain kinds of death by supplying wants, as in the case of Thyroid.
 One can become actually drunk on oysters, by chewing them completely. Rigor seems to be a symptom of the loss of what I may call the Alpha-energy and makes a sharp break in the curve. The Beta and other energies dissipate more slowly. Physiologists should make it their first duty to measure these phenomena; for their study is evidently a direct line of research into the nature of Life. The analogy between the living and complex molecules of the Uranium group of inorganic and the Protoplasm group of organic elements is extremely suggestive. The faculties of growth, action, self- recuperation, etc., must be ascribed to similar properties in both cases; and as we have detected, measured and partially explained radioactivity, it must be possible to contrive means of doing the same for Life.
 It is a mistake to suppose that the victim is injured. On the contrary, this is the most blessed and merciful of all deaths, for the elemental spirit is directly built up into Godhead — the exact goal of its efforts through countless incarnations. On the other hand, the practice of torturing animals to death in order to obtain the elemental as a slave is indefensible, utterly black magic of the very worst kind, involving as it does a metaphysical basis of dualism. There is, however, no objection to dualism or black magic when they are properly understood. See the account of the Master Therion's Great Magical Retirement by Lake Pasquaney, where he "crucified a toad in the Basilisk abode". [N.b. This ritual is printed in full in The Great Beast, 1971, by John Symonds.]
 A wolf would be still better in the case of Mars. See 777 for the correspondences between various animals and the "32 Paths" of Nature.
 There is also the question of its magical freedom. Sexual intercourse creates a link between its exponents, and therefore a responsibility.
"It is the sacrifice of oneself spiritually. And the intelligence and innocence of that male child are the perfect understanding of the Magician, his one aim, without lust of result. And male he must be, because what he sacrifices is not the material blood, but his creative power." This initiated interpretation of the texts was sent spontaneously by Soror I.W.E. [N.b. The initials of the motto of Martha Küntzel, a member of the A∴A∴], for the sake of the younger Brethren.
See 777 for the correspondences of the various forces of Nature with drugs, perfumes, etc.
 Such details, however, may safely be left to the good sense of the Student. Experience here as elsewhere is the best teacher. In the Sacrifice during Invocation, however, it may be said without fear of contradiction that the death of the victim should coincide with the supreme invocation.
 Note: This paragraph was written in the summer of 1911 e.v., just three years before its fulfilment.
 It is here desirable to warn the reader against the numerous false orders which have impudently assumed the name of Rosicrucian. The Masonic Societas Rosicruciana is honest and harmless; and makes no false pretences; if its members happen as a rule to be pompous busy-bodies, enlarging the borders of their phylacteries, and scrupulous about cleansing the outside of the cup and the platter; if the masks of the Officers in their Mysteries suggest the Owl, the Cat, the Parrot, and the Cuckoo, while the Robe of their Chief Magus is a Lion's Skin, that is their affair. But those orders run by persons claiming to represent the True Ancient Fraternity are common swindles. The representatives of the late S. L. Mathers (Count McGregor) are the phosphorescence of the rotten wood of a branch which was lopped off the tree at the end of the 19th century. [N.b. A typical Crowley exaggeration; he is referring to the Golden Dawn.] Those of Papus (Dr. Encausse), Stanislas de Guaita and Péladan, merit respect as serious, but lack full knowledge and authority. The "Ordo Rosae Crucis" is a mass of ignorance and falsehood, but this may be a deliberate device for masking itself. The test of any Order is its attitude towards the Law of Thelema. The True Order presents the True Symbols, but avoids attaching the True Name thereto; it is only when the Postulant has taken irrevocable Oaths and been received formally, that he discovers what Fraternity he has joined. If he have taken false symbols for true, and find himself magically pledged to a gang of rascals, so much the worse for him!
 This results from the full acceptance of the Law of thelema, persistently put into practice.
 P.S. With the happiest results. P.
 Yet one might devise methods of execution appropriate to the Weapons: Stabbing or clubbing for the Lance or Wand, drowning or poisoning for the Cup, Beheading for the Sword, Crushing for the Disk, Burning for the Lamp, and so forth.
 The Serpent is not really killed; it is seethed in an appropriate vessel; and it issues in due season refreshed and modified, but still essentially itself. The idea is the transmission of life and wisdom from a vehicle which has fulfilled its formula to one capable of further extension. The development of a wild fruit by repeated plantings in suitable soil is an analogous operation.
See Lord Dunsany, The Blessing of Pan — a noble and most notable prophecy of Life's fair future.
 This is a matter of concentration, with no ethical implication. The danger is that one may get something which one does not want. This is "bad" by definition. Nothing is in itself good or evil. The shields of the Sabines which crushed Tarpeia were not murderous to them, but the contrary. Her criticism of them was simply that they were what she did not want in her Operation.
This Aura should be clean-cut, resilient, radiant, iridescent, brilliant, glittering. "A soap-bubble of razor-steel, streaming with light from within" is my first attempt at description; and is not bad, despite its incongruities: P.
"Frater Perdurabo, on the one occasion on which I was able to see Him as He really appears, was brighter than the Sun at noon. I fell instantly to the floor in swoon which lasted several hours, during which I was initiated." Soror A∴. Cf. Rev. I, 12-17. [N.b. Soror A∴ was probably Soror Achitha or Roddie Minor, "the Camel", with whom Crowley worked during his American period. She was, in fact, the Scarlet Woman of that time. See The Confessions.]
 The whole idea of the word Sacrifice, as commonly understood, rests upon an error and superstition, and is unscientific, besides being metaphysically false. The Law of Thelema has totally changed the Point of View as to this matter. Unless you have thoroughly assimilated the Formula of Horus, it is absolutely unsafe to meddle with this type of Magick. Let the young Magician reflect upon the Conservation of Matter and of Energy.
 There is a traditional saying that whenever an Adept seems to have made a straightforward, comprehensible statement, then is it most certain that He means something entirely different. The Truth is nevertheless clearly set forth in His Words: it is His simplicity that baffles the unworthy. I have chosen the expressions in this Chapter in such a way that it is likely to mislead those magicians who allow selfish interests to cloud their intelligence, but to give useful hints to such as are bound by the proper Oaths to devote their powers to legitimate ends. "...thou hast no right but to do thy will." "It is a lie, this folly against self." The radical error of all uninitiates is that they define "self" as irreconcilably opposed to "not-self." Each element of oneself is, on the contrary, sterile and without meaning, until it fulfils itself, by "love under will", in its counterpart in the Macrocosm. To separate oneself from others is to destroy oneself; the way to realize and to extend oneself is to lose that self — its sense of separateness — in the other. Thus: Child plus food: this does not preserve one at the expense of the other; it "destroys" or rather changes both in order to fulfil both in the result of the operation — a grown man. It is in fact impossible to preserve anything as it is by positive action upon it. Its integrity demands inaction; and inaction, resistance to change, is stagnation, death and dissolution due to the internal putrefaction of the starved elements.