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In scientific work, those who refuse to go beyond fact rarely get as far as fact.
Innovation is not just about creating new things, but about solving real problems in the most efficient way.
The right of nature... is the liberty each man hath, to use his own power, as he will himself, for the preservation of his own nature; that is to say, of his own life.
Happiness is not something ready made. It comes from your own actions.
谁若不能独立,谁就谈不上自由。