我们都在阴沟里，但仍有人仰望星空。
We are all in the gutter, but some of us are looking at the stars.
Sometimes it's the people no one imagines anything of who do the things that no one can imagine.
Mathematics is not a spectator sport. You have to do it to understand it.
我们生活在时间中——它塑造并控制着我们——但我从未觉得自己真正理解它。