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I think that the thing that makes mathematics worthwhile is the fact that it has this incredible structure that you can explore and discover.

I think if you do something and it turns out pretty good， then you should go do something else wonderful， not dwell on it for too long.Just figure out what’s next.

恐懼是盲目信仰的主要來源，也是殘酷的主要來源之一。征服恐懼是智慧的開始。

You know — one loves the sunset， when one is so sad.

What a fool old Adam was. Had everything his own way; had succeeded in gaining the love of the best looking girl in the neighborhood, but yet unsatisfied with his conquest he had to eat a miserable little apple.

最終，重要的不是你生命中的歲月，而是你歲月中的生命。