The desire for legitimate offspring is, in fact, according to the Catholic Church, the only motive which can justify sexual intercourse.
Bertrand RussellA priori Logical propositions are such as can be known a priori without study of the actual world.
Bertrand RussellThe psychology of adultery has been falsified by conventional morals, which assume, in monogamous countries, that attraction to one person cannot coexist with affection for another. Everybody knows that this is untrue.
Bertrand Russell