“Wherefore the heart and the diaphragm are particularly sensitive, they have nothing to do, however, with the operations of the understanding, but of all these the brain is the cause.”

We must turn to nature itself, to the observations of the body in health and in disease to learn the truth.

All diseases begin in the gut.

Illnesses do not come upon us out of the blue. They are developed from small daily sins against Nature. When enough sins have accumulated, illnesses will suddenly appear.

The dignity of a physician requires that he should look healthy, and as plump as nature intended him to be; for the common crowd consider those who are not of this excellent bodily condition to be unable to take care of themselves.

Physicians are many in title but very few in reality.

Old people have fewer diseases than the young, but their diseases never leave them.

Make a habit of two things: to help; or at least to do no harm.

Whoever wishes to investigate medicine should proceed thus: In the first place, consider the seasons of the year and what effect each of them produces.

Prayer indeed is good, but while calling on the gods a man should himself lend a hand.

Sport is a preserver of health.

About medications that are drunk or applied to wounds it is worth learning from everyone; for people do not discover these by reasoning but by chance, and experts not more than laymen.

He who wishes to be a surgeon should go to war.

Things that are holy are revealed only to men who are holy.

The natural force within each of us is that greatest healer of all.

In all abundance there is lack.

I will follow that system of regimen which, according to my ability and judgment, I consider for the benefit of my patients, and abstain from whatever is deleterious and mischievous.