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If you want to build a great enterprise, you have to have the courage to dream great dreams.

To understand mathematics is to speak the language of the universe.

"The most beautiful people we have known are those who have known defeat, known suffering, known struggle, known loss, and have found their way out of the depths."

我曾以為詩歌可以改變一切，可以改變歷史并使人性化，我認(rèn)為這種幻想對生活非常必要。