jest alone which shows no tendency; that is, it serves to produce pleasure only. For wit is really never purposeless even if the thought contained therein shows no tendency and merely serves a theoretical, intellectual interest. Wit carries out its purpose in advancing the thought by magnifying it and by guarding it against reason. Here again it reveals its original nature in that it sets itself up against an inhibiting and restrictive power, or against the critical judgment.
The first use of wit, which goes beyond the mere production of pleasure, points out the road to be followed. Wit is now recognized as a powerful psychic factor whose weight can decide the issue if it falls into this or that side of the scale. The great tendencies and impulses of our psychic life enlist its service for their own purposes. The original purposeless wit, which began as play, becomes related in a secondary manner to tendencies from which nothing that is formed in psychic life can escape for any length of time. We already know what it can achieve in the service of the exhibitionistic, aggressive, cynical, and sceptical tendencies. In the case of obscene wit, which originated in the smutty joke, it makes a confederate of the third person who originally disturbed the sexual situation, by giving him
