Travel changes you. As you move through this life and this world you change things slightly， you leave marks behind， however small. And in return， life—and travel—leaves marks on you.

The best way to optimize a program is to optimize it.

约化群理论是朗兰兹纲领的支柱。

计算的未来不仅仅是更快的处理器，而是更聪明的算法。

Short-term debt can be dangerous because it creates the possibility of sudden runs.

The truth is rarely pure and never simple.