成功来自于坚持和专注。

The artist must be a witness to his time.

I’ve never been afraid of death. It’s the process of dying that worries me.

事情过后议论别人，身在局外议论局内人，是做学问的人最容易犯的毛病。在事后议论别人，往往将聪明人说得极其愚笨；身在局外议论局内的人，往往将困难的事情说得极其容易，这两种毛病都是由待人不忠诚、不宽容而引起的。

挑战在于让不可见的东西变得可见。

一流智力的检验标准是同时持有两种相反的观点，并且仍然能够正常运作。

Thought is the most difficult task, which is why so few engage in it.

成功的关键在于坚持和努力。