真正的斗争不是在善与恶之间，而是在痛苦与快乐之间。

The art of economics lies in understanding the subtle interactions between rules and behavior.

A good engineer is someone who can turn frustration into inspiration.

Sustainability isn't an option—it's a responsibility we owe to the next generation.

你永远无法知晓一切，而你所知的一部分总是错误的。

历史不会重复，但会押韵。

人们并不懒惰。他们只是有无力的目标——也就是说，目标没有激励他们。