Desire is the very essence of man.
譯文 ：防御欲念好比牽挽逆水而行之船，剛一歇息，船就要向下游漂流；努力向善好比攀爬沒有樹枝的大樹，剛一歇腳，身體就要下滑。因此，君子的內(nèi)心無時無刻不是處在警惕之中
Labor is the source of all wealth and all culture.
計算機科學的挑戰(zhàn)不僅在于創(chuàng)造新技術(shù)，還在于確保它們被道德和負責任地使用。
The first step in the art of cutting metals is to find a man who has the necessary skill and experience.