Martin H. Fischer — American Physicist born on November 10, 1879, died on January 19, 1962

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A good teacher must know the rules; a good pupil, the exceptions.
The practice of medicine is a thinker's art the practice of surgery a plumber's.
Knowledge is a process of piling up facts; wisdom lies in their simplification.
Diagnosis is not the end, but the beginning of practice.
Don't confuse hypothesis and theory. The former is a possible explanation; the latter, the correct one. The establishment of theory is the very purpose of science.