"Life is short, the art long, opportunity fleeting, experience treacherous, judgment difficult."

"If you are in a bad mood, go for a walk. If you are still in a bad mood, go for another walk."

"Diseases which are advanced, and those which are of long standing, are difficult to cure."

"The best diet is that which is most simple."

"The physician must not only be prepared to do what is right himself, but also to make the patient, the attendants, and externals cooperate."