The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

Anybody who has been seriously engaged in scientific work of any kind realizes that over the entrance to the gates of the temple of science are written the words: Ye must have faith.

The real question is not whether machines think but whether men do.

不好的事情会经常发生。

在中国要成功，你既需要快速又需要灵活。

There is something profoundly mysterious about quantum mechanics that we still don't understand.

I'm grateful for every moment, every experience.