A wise ruler ought never to keep faith when by doing so it would be against his interests.Niccolo Machiavelli
If you pursue good with labor, the labor passes away but the good remains; if you pursue evil with pleasure, the pleasure passes away and the evil remains.Cicero
I can hardly eat meat because it has to look like something what it was not when it was alive.Karl Lagerfeld
Covetousness is both the beginning and the end of the devil's alphabet - the first vice in corrupt nature that moves, and the last which dies.Michel de Montaigne