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The function of art is to do more than tell you what you already know.

朗費羅幽默的秘密源泉并不是歡樂而是悲傷。天堂里沒有幽默。

當一個問題有多種解決方案時，請選擇最簡單的一種。

Technology can be a powerful tool for development if applied correctly.

Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.

希望好像一個家庭，沒有它，你會覺得生活乏味；有了它，你又覺得天天為它辛勞，是一種煩惱。