The Great Work is the attainment of that middle point in which equilibrating force abides. Furthermore, the reactions of equilibrated force do everyw… - Eliphas Levi

Progress is a possibility for the animal: it can be broken in, tamed and trained; but it is not a possibility for the fool, because the fool thinks he has nothing to learn. It is his place to dictate to others and put them right, and so it is impossible to reason with him. He will laugh you to scorn in saying that what he does not understand is not a meaningful proposition. 'Why don't I understand it, then?', he asks you, with marvellous impudence. To tell him it is because he is a fool would only be taken as an insult, so there is nothing you can say in reply. Everybody else sees it quite clearly, but he will never realize it.<p>Here then, at the outset, is a potent secret which is inaccessible to the majority of people; a secret which they will never guess and which it would be useless to tell them: the secret of their own stupidity.

Those who have found this middle point are true and wonderworking adepts of science and reason. They are masters of the wealth of worlds, confidants and friends of the princes of heaven itself, and Nature obeys them because they will what is willed by the law which is the motive power of Nature. It is this which the Saviour of the world spoke of as the Kingdom of Heaven; this also is the Sanctum Regnum of the Holy Kabalah. It is the Crown and Ring of Solomon ; it is the Sceptre of Joseph which the stars obeyed in heaven and the harvests on earth.

Necromancy, and Goetia, which is Evil Magic, do produce such shells and demons, apparitions of deceit.