The happiest people don’t have the best of everything; they make the best of everything.

Ignorance is not innocence but sin.

We cannot not know history.

耶路撒冷文学奖 加萨演讲

在数学中，提出问题的艺术必须比解决问题更有价值。

The human animal is a bad animal.

一本书就是你握在手中的一个梦想。