"Language is a skin: I rub my language against the other. It is as if I had words instead of fingers, or fingers at the tip of my words."

触觉是我们的第一语言，是我们与世界互动的原始方式。

一个设计良好的系统应该易于使用、易于理解和易于修改。

大脑是一台不是为了理解自己，而是为了生存而组装的机器。它是一台做出导致生存的决策的机器。

"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."

To feel much for others and little for ourselves； to restrain our selfishness and exercise our benevolent affections， constitute the perfection of human nature.

最好的投资是投给那些有愿景并有能力执行的人。