未经测试的程序是无法正常工作的。

真相并不总是美丽的，美丽的话语也不一定是真相。

There is only one boss. The customer. And he can fire everybody in the company from the chairman on down, simply by spending his money somewhere else.

穷人往往缺乏做出正确选择所需的信息，而即使他们拥有这些信息，也常常不信任它。