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The world is moving so fast these days that the man who says it can't be done is generally interrupted by someone doing it.

教育不是填滿一個桶，而是點燃一把火。

In mathematics, as in life, the most elegant solutions often arise from a deep understanding of the problem.

The most important thing is to be honest with yourself and with your audience.

永遠不要低估“無用”的基礎研究的重要性。