if, in the small amount of fact which speaks in favour of the reality of Magic: that is, in Animal Magnetism and charm-cures, we still do not recognise anything but an immediate action of the will which here manifests its direct power outside, instead of inside, the individual; if moreover, as I am about to show and to substantiate by decisive, unequivocal citations, those who are more deeply initiated into ancient Magic, derive all its effects from the magician's will alone: this is surely strong empirical evidence in support of my doctrine, that the Metaphysical in general, that which alone exists apart from representation, the _thing in itself_ of the universe--is nothing but what is known to us within ourselves as _the will_. [305] Here and there, Plotinus betrays a more correct knowledge, for instance, "Enn." ii. lib. iii. c. 7; "Enn." iv. lib. iii. c. 12, et lib. ix. c. 3. [306] Delrio, "Disq. mag." L. ii. qu. 2. Agrippa a Nettesheym, "De Vanit. Scient." c. 45. Now, if the direct power which may occasionally be exercised over Nature by the will, was conceived by those magicians as a merely indirect one, acquired by the help of demons, this still could not prevent its efficiency wherever and whenever it may have taken place. For, precisely because, in things of this kind, the will acts in itself, in its primariness, therefore apart from representation, its efficiency cannot be frustrated by erroneous conceptions of the intellect; on the contrary, the distance here is a wide one between theory and practice: the errors of the former do not stand in the way of the latter, nor does a correct theory qualify for practice. Mesmer, in the beginning, attributed his agency to the magnetic rods he held in his hands and later on explained the wonders of Animal Magnetism by a materialistic theory of a subtle, all-permeating fluid; nevertheless he produced wonderfully powerful effects. I once myself knew the proprietor of an estate, whose peasants were wont by tradition to have their feverish attacks dispelled by a spell of their master's. Now, although he believed he had convinced himself of the impossibility of all such things, yet he continued good-naturedly to comply with their wish as usual, and indeed often succeeded in relieving them. This success he ascribed to his peasants' firm belief, forgetting that a similar faith ought also to bring success to the medical treatment which is so often applied with complete inefficacy to believing patients.