I sing not because I am blind, but because I have a voice.

一切幸福都绝非没有忧虑和烦恼，而一切逆境也绝非没有慰籍与希望。

数学是人类精神最美丽和最强大的创造。

真实永远比虚构更离奇。

The only thing standing between you and your goal is the story you keep telling yourself as to why you can’t achieve it.

In science, as in life, the important things are rarely simple or obvious.