Some entire cities, taught by custom, delight in parsimony, as I said but just now of the Lacedaemonians.

Xenophon has given an account of the Persian diet, who never, as he saith, use anything but cresses with their bread; not but that, should nature require anything more agreeable, many things might be easily supplied by the ground, and plants in great abundance, and of incomparable sweetness.

Add to this strength and health, as the consequence of this abstemious way of living.

Now, compare with this those who sweat and belch, being crammed with eating, like fatted oxen; then will you perceive that they who pursue pleasure most attain it least; and that the pleasure of eating lies not in satiety, but appetite.
XXXV.

They report of Timotheus, a famous man at Athens, and the head of the city, that having supped with Plato, and being extremely delighted with his entertainment, on seeing him the next day, he said, "Your suppers are not only agreeable while I partake of them, but the next day also." Besides, the understanding is impaired when we are full with overeating and drinking.