[P]leasure is in itself a good; nay, even setting aside immunity from pain, the only good: pain is in itself an evil; and, indeed, without exception,… - Jeremy Bentham

" "

[P]leasure is in itself a good; nay, even setting aside immunity from pain, the only good: pain is in itself an evil; and, indeed, without exception, the only evil; or else the words good and evil have no meaning. And this is alike true of every sort of pain, and of every sort of pleasure.