The Communist … chooses some feature of an order where there is a potential resentment, or he may choose some feature about which people are simply soft-headed—that is to say, confused or uncertain. It may be the existence of rich men; it may be the right to acquire and use property privately; it may be the idea of discipline and regard in education; it may be some system of preferential advancement which produces envy in the less successful. His most common maneuver … is to vilify this as founded upon prejudice. The burden of his argument usually is that since these do not have perfectly rationalized bases, they have no right to exist.
Life without prejudice, p. 5. - Life Without Prejudice (1965)