目标不是永远活着，而是创造一些能够永存的东西。

嗯，第一条规则是，如果你只是记住一些孤立的事实，然后试图把它们背出来，你是不可能真正知道任何东西的。如果事实不是挂在一个理论的格子架上，你就没有把它们变成一种可用的形式。

The true historian is a soldier of truth.

In programming, everything we do is a special case of something more general -- and often we know it too quickly.

The long-term success of a company depends on the flexibility and adaptability of its strategy.