Mathematics is the art of turning complexity into clarity.

The silliest woman can manage a clever man; but it needs a very clever woman to manage a fool.

Nothing can stop the man with the right mental attitude from achieving his goal; nothing on earth can help the man with the wrong mental attitude.

Writing is a way of making the past present.

这是友谊的特权，可以胡说八道，也可以尊重她的胡说八道。

最好的建筑是那种让人觉得必然的建筑。