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A good mathematician is lazy, but in a constructive way.
The old-fashioned dictator does not exist under scientific management. The man at the head of the business under scientific management is governed by rules and laws which have been developed through hundreds of experiments just as much as the workman is.
You can’t put a limit on anything. The more you dream, the farther you get.
The best way to learn is by doing—get your hands dirty in the lab.