计算复杂性的概念不仅仅是我们能计算多快，还包括理解什么是可以计算的极限。
The concept of computational complexity is not just about how fast we can compute, but also about understanding the limits of what can be computed.
写作就是抵抗。抵抗就是写作。
The most powerful art is often the most humble.
写作就是重写。
领导力既关乎倾听，也关乎引导。