"The world is a prison, and language is the key."

To one who has faith, no explanation is necessary. To one without faith, no explanation is possible.

There are other reasons --There are other reasons why it's perhaps harder now to feel calm than ever before. One of these, and it's paradoxical, because it's linked to something that's rather nice, is the hope we all have for our careers. Never before have expectations been so high about what human beings can achieve with their life span.

对于世界而言，你是一个人；但是对于某个人，你是他的整个世界。

我们几乎无法避免这样的推论：光是由同一种介质的横向波动组成的，这种介质也是电和磁现象的原因。

Real music comes from the heart, not technique.

The true value of a mathematician lies in the problems they leave behind.