The preservation of the means of knowledge among the lowest ranks is of more importance to the public than all the property of all the rich men in the country.

Mathematics is the art of giving the same name to different things.

Innovation doesn’t happen by accident—it requires discipline, focus, and a willingness to challenge the status quo.

Don’t loan money to a friend unless you are ready to make it a gift.

最终，我们都独自面对自己的思想和恐惧。

创新是区分领导者和追随者的关键。