Hippocrates

To do nothing is also a good remedy.

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

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.

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

Extreme remedies are very appropriate for extreme diseases.

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

If we could give every individual the right amount of nourishment and exercise, not too little and not too much, we would have found the safest way to health.

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

Natural forces within us are the true healers of disease.

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

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

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

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.

Cure sometimes, treat often, comfort always.

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

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

Let food be thy medicine and medicine be thy food.

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

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.

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

Walking is man's best medicine.

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

Life is short, the art long.