"History is not just about dates and events; it's about the people who lived through them."

意识的元素要通过细致的实验来发现。

The real moral test of a society is how it treats those who are at the dawn of life, the children; those who are in the twilight of life, the aged; and those who are in the shadow of life, the sick, the needy and the handicapped.

学习Lisp是值得的，因为当你最终理解它时，你将获得深刻的启蒙体验；这种体验将使你在余下的日子里成为一个更好的程序员，即使你实际上并不经常使用Lisp本身。

创新就是将已经存在的事物以新的方式结合在一起。

实现明天的唯一限制是我们今天的疑虑。