The only way to tell the truth is to speak with authority.

Technology is the core competitiveness of an enterprise.

We teach a subject not to produce little living libraries on that subject, but rather to get a student to think mathematically for himself.

一个过程不是其各部分的总和，而是力量的动态相互作用。

"It is not easy to free myth from reality."

我们不会获得智慧；我们必须自己发现它，经过一段没有人能代替我们或免除我们的旅程。