"You must learn to talk clearly. The jargon of scientific terminology which rolls off your tongues is mental garbage."

"A conclusion is the place where you got tired thinking."

"Knowledge is a process of piling up facts; wisdom lies in their simplification."

"A machine has value only as it produces more than it consumes — so check your value to the community."

"Any man who does not make himself proficient in at least two languages other than his own is a fool"

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

"Diagnosis is not the end, but the beginning of practice."

"Don't despise empiric truth. Lots of things work in practice for which the laboratory has never found proof."

"Facts are not science — as the dictionary is not literature."

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