Man is a creature who lives not upon bread alone, but principally by catchwords; and the little rift between the sexes is astonishingly widened by simply teaching one set of catchwords to the girls and another to the boys.

Robert Louis Stevenson (1850-1894) Scottish essayist, novelist, poet

Essay (1881), “Virginibus Puerisque, Part 2”
    (Source)

First published in Virginibus Puerisque and Other Papers, ch. 1, part 2 (1881)