my thought may so work on the minci of another person as to produce far-reaching physical changes in him, or in others through him.) (17) A man may learn to use any force so as to serve any purpose, by taking advantage of the above theorems. (Illustration: A man may use a razor to make himself vigilant over his speech, by using it to eut himself whenever he unguardedly utters a chosen word. He may serve the same purpose by resolving that every incident of his life shall remind him of a particular thing, making every impression the starting point of a connected sériés of thoughts ending in that thing. He might also devote his whole energies to some one particular object, by resolving to do nothing at variance therewith, and to make every act turn to the advantage of that object.) (18) He may attract to himself any force of the Uni verse by making himself a fit réceptacle for it, establishing a connection with it, and arranging conditions so that its nature compels it to flow toward him. (Illustration: If I want pure water to drink, I dig a well in a place where there is underground water; I prevent it from leaking away; and I arrange to take advantage of water’s accordance with the laws of Hydrostatics to fill it.) (19) Man’s sense of himself as separate from, and opposed to, the Universe is a bar to his conducting its currents. It insulates him. (Illustration: A popular leader is most successful when he forgets himself, and remembers only “The Cause”. Self-seeking engenders jealousies and schism. When the organs of the body assert their presence otherwise than by silent satisfaction, it is a sign that they are diseased. The single exception is the organ of reproduction. Yet even in this case its self-assertion bears witness to its dissatisfaction with itself, since it cannot fulfil its function until completed by its counterpart in another organisai.) (20) Man can only attract and employ the forces for which he is really fitted. (Illustration: You cannot make a silk purse ont of a sow’s ear. A XXII