He who does not understand astrology is not a doctor but a fool.
Eunuchs do not take the gout, nor become bald.
What I may see or hear in the course of the treatment or even outside of the treatment in regard to the life of men, which on no account one must spread abroad, I will keep to myself holding such things shameful to be spoken about.
All disease starts in the gut.
Many admire, few know.
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.