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

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

“Whenever ideas fail, men invent words.”

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

“Knowledge is a process of piling up facts wisdom lies in their simplification.”

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

“A conclusion is the place where you got tired of thinking.”

“A doctor must work eighteen hours a day and seven days a week. If you cannot console yourself to this, get out of the profession.”