The Lisp language is designed to be extensible, and it is easy to add new features to it.

安全不是成本；它是对我们最宝贵资源——我们员工的投资。

The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all. And that, of course, causes great confusion.

每一次危机都是行业重新洗牌的机会。