The mathematician's patterns, like the painter's or the poet's, must be beautiful; the ideas, like the colors or the words, must fit together in a harmonious way.

The concept of legal obligation is central to the understanding of law.

未来不是我们进入的某物。未来是我们创造的某物。

集成电路是一个寻找问题的解决方案。

大的心灵正多么喜悦，为了它献出和将献出的一切。