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The strongest principle of growth lies in human choice.

我在數學上花費的時間越多，我就越感到興奮。

Innovation is the key to sustainable farming, and we must embrace new technologies to feed the world.

"If people were rain, I was drizzle and she was a hurricane."

年輕人是可怕的，因為怎么能知道他的將來不如我們現在呢？但如果一個人到了四十、五十歲還默默無聞，他也就沒有什么可怕的了。