如果你想快乐，那就快乐吧。

The study of mathematics is the study of patterns.

The only sensible ends of literature are, first, the pleasurable toil of writing; second, the gratification of one's family and friends; and lastly, the solid cash.

历史的地理枢纽是世界上最有可能是权力所在地的区域。

In mathematics, the art of proposing a question must be held of higher value than solving it.

真相很少是纯粹的，也从来不是简单的。