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The voice is the mirror of the soul.

你不需要改變自己的任何一點(diǎn)。

世界是一本偉大的書(shū)，從不離家的人只讀了一頁(yè)。

Don’t ask yourself what the world needs. Ask yourself what makes you come alive and then go do that， because what the world needs is people who have come alive.

Rigor in proof is what separates mathematics from all other sciences.

貧困陷阱的核心：今天的饑餓偷走了明天的生產(chǎn)力。

The best way to predict the future is to create it.

I don’t like to think about limits.