A good teacher must know the rules; a good pupil, the exceptions.

Whenever ideas fail, men invent words.

Whenever ideas fail, men invent words.

In the sick room, ten cents' worth of human understanding equals ten dollars' worth of medical science.

Facts are not science - as the dictionary is not literature.

Half of the modern drugs could well be thrown out of the window, except that the birds might eat them.

The great doctors all got their education off dirt pavements and poverty - not marble floors and foundations.