Tudo vale a pena quando a alma não é pequena.

We must invest in our people as much as we invest in our technology.

You’ve got to have models in your head. And you’ve got to array your experience—both vicarious and direct—on this latticework of models. You may have noticed students who just try to remember and pound back what is remembered. Well, they fail in school and in life. You’ve got to hang experience on a latticework of models in your mind.

"To live is the rarest thing in the world. Most people exist, that is all."

数学是理性的音乐。

设计中最难的部分是保持功能的简洁。