The most important thing in science is not to solve problems, but to ask the right questions.

The essence of causal inference is to go beyond the data and ask what would happen if we intervene.

In mathematics, the art of proposing a question must be held of higher value than solving it.

Sin is a thing that writes itself across a man’s face. It cannot be concealed.

君子安详而不傲慢，小人傲慢而不安详。

The computer is the most remarkable tool that we've ever come up with. It's the equivalent of a bicycle for our minds.