A man is as old as his arteries.
It is my nature to thin where others read.
Nothing in medicine is so insignificant as to merit attention.
Read Don Quixote; it is a very good book; I still read it frequently.
The art of medicine was to be properly learned only from its practice and its exercise.
I watched what method Nature might take, with intention of subduing the symptom by treading in her footsteps.
The arrival of a good clown exercises a more beneficial influence upon the health of a town than of twenty asses laden with drugs.
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.
We may ascertain the worth of the human race, since for its sake God's Only-begotten Son became man, and thereby ennobled the nature that he took upon him.
In writing the history of a disease, every philosophical hypothesis whatsoever, that has previously occupied the mind of the author, should lie in abeyance.