The ideas of economists and political philosophers， both when they are right and when they are wrong， are more powerful than is commonly understood. Indeed the world is ruled by little else. Practical men， who believe themselves to be quite exempt from any intellectual influence， are usually the slaves of some defunct economist.
你要格外严谨，尽可能做出最好的东西。找出所有问题并解决它。寻求负面反馈，尤其是来自朋友的反馈。
The more you dwell in the past, the less you prepare for the future.
上帝不能无处不在，所以他创造了母亲。
