世事犹如书籍，一页页被翻过去。人要向前看，少翻历史旧账。

悲观导致软弱，乐观带来力量。

数学是给不同事物赋予相同名称的艺术。

I have often been asked how my plays come about. I cannot say. Nor can I ever explain to myself what they mean.

创造力不是关于原创性，而是关于诚实。