When I get a little money I buy books; and if any is left I buy food and clothes.

They may attack me with an army of six hundred syllogisms; and if I do not recant, they will proclaim me a heretic.

The chief element of happiness is this: to want to be what you are.

By burning Luther's books you may rid your bookshelves of him, but you will not rid men's minds of him.

Nothing is so foolish, they say, as for a man to stand for office and woo the crowd to win its vote, buy its support with presents, court the applause of all those fools and feel self-satisfied when they cry their approval, and then in his hour of triumph to be carried round like an effigy for the public to stare at, and end up cast in bronze to stand in the market place.

Of two evils choose the least.

The more ignorant, reckless and thoughtless a doctor is, the higher his reputation soars even amongst powerful princes.