Hippocrates of Cos

Walking is man's best medicine.

Wherever the art of medicine is loved, there is also a love of humanity.

A wise man should consider that health is the greatest of human blessings, and learn how by his own thought to derive benefit from his illnesses.

Whenever a doctor cannot do good, he must be kept from doing harm.

There are in fact two things, science and opinion; the former begets knowledge, the latter ignorance.

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

What medicines do not heal, the lance will; what the lance does not heal, fire will.

Extreme remedies are very appropriate for extreme diseases.

The art is long, life is short.

Everything in excess is opposed to nature.

Keep a watch also on the faults of the patients, which often make them lie about the taking of things prescribed.

It is more important to know what sort of person has a disease than to know what sort of disease a person has.

Life is short, the art long.

Let food be thy medicine and medicine be thy food.

Natural forces within us are the true healers of disease.

A physician without a knowledge of Astrology has no right to call himself a physician.

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

Science is the father of knowledge, but opinion breeds ignorance.

The chief virtue that language can have is clearness, and nothing detracts from it so much as the use of unfamiliar words.

Many admire, few know.

Healing is a matter of time, but it is sometimes also a matter of opportunity.

Cure sometimes, treat often, comfort always.

It's far more important to know what person the disease has than what disease the person has.

The life so short, the craft so long to learn.

To do nothing is also a good remedy.