成功的关键是在生活的各个方面不断成长——精神、情感、灵性以及身体。

The most important skill in mathematics is the ability to think clearly.

I had ambition not only to go farther than any man had been before, but as far as it was possible for a man to go.

卡塞尔文献展必须始终是一种冒险，而不是例行公事。

我们面临这样一个进退两难的境地，即教育已经成为智慧和自由思想最主要的障 碍之一。

逃避过去的唯一方法就是面对它。