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生活的藝術在于知道何時堅持，何時放手。

能源獨立能增強經濟實力并提升國家安全。

道德商業實踐不是限制，而是長期增長的基礎。

事實是，每個人都會傷害你。你只需要找到那些值得為之受苦的人。

Every aspect of learning or any other feature of intelligence can in principle be so precisely described that a machine can be made to simulate it.

?Happiness is at your feet, if only you are willing to lower your head and look for it.

因果關系是宇宙的結構，概率是其語言。