Nothing in medicine is so insignificant as to merit attention.

Among the remedies which it has pleased Almighty God to give to man to relieve his sufferings, none is so universal and so efficacious as opium.

As no man can say who it was that first invented the use of clothes and houses against the inclemency of the weather, so also can no investigator point out the origin of Medicine - mysterious as the source of the Nile.

A man is as old as his arteries.

Acute [diseases] meaning those of which God is the author, chronic meaning those that originate in ourselves.

Disease is nothing else but an attempt on the part of the body to rid itself of morbific matter.

Read Don Quixote; it is a very good book; I still read it frequently.