Creativity requires the courage to let go of certainties.

哲学史不是思想的博物馆，而是批判性思维的生命传统。

简单可以是最强大的东西。

A person who is too nice an observer of the business of the crowd, like one who is too curious in observing the labor of bees, will often be stung for his curiosity.

一个好的数学家是能看到定理之间类比的人；一个伟大的数学家是能看到类比之间的类比的人。

The world is not run from where he thinks. Not from castle walls, but from countinghouses, not by the call of the bugle but by the click of the abacus, not by the grate and click of the broadsword but by the scrape of the pen.

Be brave enough to be bad at something new.