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The power of mathematics lies in its ability to abstract and generalize.

Listen to other's opinions, but make your own decisions.

All mankind... being all equal and independent, no one ought to harm another in his life, health, liberty, or possessions.

The books that we reread the most are the ones that most clearly describe the world we already know.

旅行讓你無言，然后把你變成一個(gè)講故事的人。