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To understand the universe, you must understand the language in which it is written, and that language is mathematics.
La verdadera literatura no tiene fronteras, trasciende idiomas y culturas.
The moment you doubt whether you can fly, you cease for ever to be able to do it.
一个人不能失去欲望。它们是创造力、爱和长寿的强大刺激物。
In energy, the biggest risk is not taking any risks at all.