We find that even the parents who justify spanking to themselves are defensive and embarrassed about it. . . . I suspect that deep inthe memory of every parent are the feelings that had attended his own childhood spankings, the feelings of humiliation, of helplessness, of submission through fear. The parent who finds himself spanking his own child cannot dispel the ghosts of his own childhood.
Words change their meanings, just as organisms evolve. We would impose an enormous burden on our economy if we insisted on payment in cattle every time we identified a bonus as a pecuniary advantage (from the Latin pecus , or cattle, a verbal fossil from a former commercial reality).