这寡独的黄昏，幕着雾与雨，我在我的心的孤寂里，感觉到它的叹息。

实现明天理想的唯一障碍是今天的疑虑。

The truth is rarely pure and never simple.

"我不是一个声音，我是一个词。"

The past is a foreign country; they do things differently there.

The future of physics lies in the unification of quantum mechanics and general relativity.

I don't wait for opportunities. I create them.

I don't think you should ever have to apologize for your excitement.

The universe is not outside of you. Look inside yourself; everything that you want, you already are.

数学不知道种族或地理界限；对于数学来说，文化世界是一个国家。