When in sickness, look to the spine first.
The art is long, life is short
He who does not understand astrology is not a doctor but a fool.
Whenever a doctor cannot do good, he must be kept from doing 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.
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.