A physician, after he had felt the pulse of Pausanias, and considered his constitution, saying, "He ails nothing," "It is because, sir," he replied, … - Plutarch

A human body in no way resembles those that were born for ravenousness; it hath no hawk’s bill, no sharp talon, no roughness of teeth, no such strength of stomach or heat of digestion, as can be sufficient to convert or alter such heavy and fleshy fare. But if you will contend that you were born to an inclination to such food as you have now a mind to eat, do you then yourself kill what you would eat. But do it yourself, without the help of a chopping-knife, mallet or axe, as wolves, bears, and lions do, who kill and eat at once. Rend an ox with thy teeth, worry a hog with thy mouth, tear a lamb or a hare in pieces, and fall on and eat it alive as they do. But if thou had rather stay until what thou eat is to become dead, and if thou art loath to force a soul out of its body, why then dost thou against nature eat an animate thing? There is nobody that is willing to eat even a lifeless and a dead thing even as it is; so they boil it, and roast it, and alter it by fire and medicines, as it were, changing and quenching the slaughtered gore with thousands of sweet sauces, that the palate being thereby deceived may admit of such uncouth fare.

But the Lacedaemonians, who make it their first principle of action to serve their country's interest, know not any thing to be just or unjust by any measure but that.

Even so the more a vicious man denies his vice, the more does it insinuate itself and master him: as those people really poor who pretend to be rich get still more poor from their false display.