Sir, where are you running? Are you doing this for world peace? Are you doing this for the homeless? Are you running for women's rights? The environment? They just couldn't believe that somebody would do all that running for no particular reason. Why are you doing this? I just felt like running. I just felt like running.

The psychologist must avoid all teleological interpretations.

我对那些已婚有孩子还要工作的女性充满敬意，我不知道你们是如何做到的。

"To be useful was the best thing the old men ever hoped for themselves, and to be aimless was their worst fear."

大国总是在寻找机会以牺牲对手为代价来获取权力，如果他们认为使用武力会带来利益，他们就会使用武力。

数学不仅仅是关于数字和方程；它是关于理解宇宙中一切事物的模式和结构。