每个实验都会破坏其开始时的某些条件。

Life is the movie that you see in your dreams.

Tyranny, like hell, is not easily conquered; yet we have this consolation with us, that the harder the conflict, the more glorious the triumph.

Success is not final, failure is not fatal: It is the courage to continue that counts.

最大的风险是不冒任何风险。在一个快速变化的世界里，唯一注定失败的策略是不冒险。

我感到很幸运能够做我喜欢的事情。

经济学的研究最终是对人类行为及其后果的研究。