Freedom is not a condition, but an attitude.
记忆是一件棘手的事情;它既可以是祝福,也可以是诅咒。
The power of mathematics lies in its ability to simplify the complex.
世界是一个谜题;碎片散落一地,没有人有盒子上的图片。
"And this I believe: that the free, exploring mind of the individual human is the most valuable thing in the world. And this I would fight for: the freedom of the mind to take any direction it wishes, undirected."