The act of writing is an act of optimism. You would not take the trouble to do it if you felt it didn't matter.

在你发明的时候，不要选择。在你草拟的时候，不要审查。在你写初稿的时候，不要反思。

The Celts have a close affinity with nature.

时间会揭露一切秘密。

In computational complexity, we are not just dealing with the limits of what we can compute, but also with the limits of what we can prove.

我从未见过一个我不试图用机械方法解决的问题。