As long as a person exercises, exerts himself greatly, does not eat to the point of being overly full, and keeps his bowels soft, illness will not come upon him and his strength will increase.
Anyone who lives a sedentary life and does not exercise, even if he eats good foods and takes care of himself according to proper medical principles — all his days will be painful ones and his strength shall wane.
I eat only what is enough to sustain my life. My food is bread, soup, an egg, and a little meat. And the amount I eat is no more than my body can easily digest.
If a man insisted always on being serious, and never allowed himself a bit of fun and relaxation, he would go mad or become unstable without knowing it.
There are two sentences inscribed upon the Delphic oracle, hugely accommodated to the usages of man's life: "Know thyself," and "Nothing too much;" and upon these all other precepts depend.
Those who are slaves to their appetites cannot preserve their reason, their memory, or their senses in their full vigour; for a full belly does not produce a fine mind.
Above all, do not lose your desire to walk. Every day I walk myself into a state of well-being and walk away from every illness. I have walked myself into my best thoughts, and I know of no thought so burdensome that one cannot walk away from it.
Everyone has a doctor in him or her; we just have to help it in its work. The natural healing force within each of us is the greatest force in getting well. Our food should be our medicine. Our medicine should be our food.
Every man is, no doubt, by nature, first and principally recommended to his own care; and as he is fitter to take care of himself than of any other person, it is fit and right that it should be so.
The cure of many diseases is unknown to physicians of Hellas, because they are ignorant of the whole, which ought to be studied also; for the part can never be well unless the whole is well.
O God, give us the serenity to accept what cannot be changed, the courage to change what should be changed, and the wisdom to distinguish the one from the other.