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History is, above all else, the creation and recording of that heritage; progress is its increasing abundance, preservation, transmission, and use.
领导力就是激励人们去做他们从未想过自己能做的事。
Humility makes great men twice honourable.
I try to get rid of people who confidently answer questions about which they don't have any real knowledge.
Combinatorics is the art of counting without counting.