Eat and drink such an exact quantity as the constitution of thy body allows of, in reference to the services of the mind.
They that study much ought not to eat so much as those that work hard, their digestion being not so good.
The exact quantity and quality being found out, is to be kept to constantly.
Excess in all other things whatever, as well as in meat and drink, is also to be avoided.
Youth, age, and the sick require a different quantity.
And so do those of contrary complexions; for that which is too much for a phlegmatic man is not sufficient for a choleric.
The measure of food ought to be (as much as possibly may be) exactly proportionable to the quality and condition of the stomach, because the stomach digests it.
That quantity that is sufficient, the stomach can perfectly concoct and digest, and it sufficeth the due nourishment of the body.
A greater quantity of some things may be eaten than of others, some being of lighter digestion than others.