The physicist’s evident propensity to theorize, these scholars derived from sexual repression. Psychoanalytic doctrine reveals the pig in man, a pig saddled with a conscience; the disastrous result is that the pig is uncomfortable beneath that pious rider, and the rider fares no better in the situation, since his endeavor is not only to tame the pig but also to render it invisible.

— Stanislaw Lem, Seth Shostak and Michael Kanel, His Master’s Voice