你必须先拒绝乐队的一种表达方式，然后才能进入下一种。

When you are young spend at least 6 months to one year living as poor as you can， owning as little as you possibly can， eating beans and rice in a tiny room or tent， to experience what your “worst” lifestyle might be. That way any time you have to risk something in the future you won’t be afraid of the worst case scenario.

The best solutions come from listening to the land.

写作就是呼吸，就是生活，就是存在。

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.