"The difference between correlation and causation is fundamental in empirical work."

"In computational learning theory, the challenge is not just to learn, but to understand how learning is possible."

"Let me tell you the secret that has led me to my goal. My strength lies solely in my tenacity."

That's exhilarating if you're doing well, and very crushing if you're not. It leads, in the worst cases -- in the analysis of a sociologist like Emil Durkheim -- it leads to increased rates of suicide. There are more suicides in developed, individualistic countries than in any other part of the world. And some of the reason for that is that people take what happens to them extremely personally -- they own their success, but they also own their failure.

Let us try to teach generosity and altruism, because we are born selfish.

最好的数学不仅仅是逻辑的——它是直观且美丽的。

有时最艰难的旅程是你独自走的那段。