The only way to do great work is to love what you do.

The most important property of a program is whether it accomplishes the intention of its user.

释义：通过分析物品的过剩与短缺，就能判断其价值的高低。这句话揭示了市场供求关系对价格的影响。

成功的真正标准不仅仅是盈利能力，而是我们如何实现它。