“Your foods shall be your ‘remedies,’ and your ‘remedies’ shall be your foods.”

There is one common flow, one common breathing, all things are in sympathy.

It is changes that are chiefly responsible for diseases, especially the greatest changes, the violent alterations both in the seasons and in other things. (:)…regimen and temperature, and one period of life to another.

Extreme remedies are very appropriate for extreme diseases.

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

If for the sake of a crowded audience you do wish to hold a lecture, your ambition is no laudable one, and at least avoid all citations from the poets, for to quote them argues feeble industry.

The physician treats, but nature heals.

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

The physician must be able to tell the antecedents, know the present, and foretell the future — must mediate these things, and have two special objects in view with regard to disease, namely, to do good or to do no harm.

All excesses are inimical to Nature. It is safer to proceed a little at a time, especially when changing from one regimen to another.

Into whatsoever houses I enter, I will enter to help the sick, and I will abstain from all intentional wrong-doing and harm, especially from abusing the bodies of man or woman, bond or free. And whatsoever I shall see or hear in the course of my profession,

Fat people who want to reduce should take their exercise on an empty stomach and sit down to their food out of breath…. Thin people who want to get fat should do exactly the opposite and never take exercise on an empty stomach.

It is the same thing which makes us mad or delirious, inspires us with dread and fear, whether by night or by day, brings us sleeplessness, inopportune mistakes, aimless anxieties, absent-mindedness and acts that are contrary to habit.

Declare the past, diagnose the present, foretell the future.

I will not give to a woman a pessary to cause abortion.

First of all a natural talent is required; for when Nature opposes, everything else is in vain; but when Nature leads the way to what is most excellent, instruction in the art takes place.

It is better not to apply any treatment in cases of occult cancer; for if treated (by surgery), the patients die quickly; but if not treated, they hold out for a long time.