A physician is one who pours drugs of which he knows little into a body of which he knows less.

He is a hard man who is only just, and a sad one who is only wise.

Only your friends steal your books.

I hate women because they always know where things are.

I have lived eighty years of life and know nothing for it, but to be resigned and tell myself that flies are born to be eaten by spiders and man to be devoured by sorrow.

What most persons consider as virtue, after the age of 40 is simply a loss of energy.

Doctors put drugs of which they know little into bodies of which they know less for diseases of which they know nothing at all.