That there are things in this world not carved out of gray stone. That there s a small place inside of us they can never lock away, and that place is called hope.

不进行哲学思考的生活，实际上就像闭着眼睛而不试图睁开它们。

量子力学不仅仅是一个关于世界的理论，它是对世界最基本层面的描述。

数学之美在于它能够将复杂的事物简化。