To imagine is everything, to know is nothing at all.
想象就是一切,知识却什么都不是。
The only way to do great work is to love what you do.
Patience and persistence are the keys to unlocking the mysteries of mathematics.
最深刻的技术是那些消失的技术。它们将自己编织到日常生活的结构中,直到与之无法区分。