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You must take personal responsibility. You cannot change the circumstances, the seasons, or the wind, but you can change yourself. That is something you have charge of.

成功不是終點，失敗也不是致命的：重要的是繼續前進的勇氣。

Learning makes a man fit company for himself.

勞動可以使我們擺脫三大災禍：寂寞惡習貧困。

理解學習問題的計算復雜性對于開發高效算法至關重要。

真相很少純粹，也絕不簡單。