"There is no such thing as a moral or an immoral book. Books are well written, or badly written."

Technology is just a tool. In terms of getting the kids working together and motivating them, the teacher is most important.

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

电影是一面镜子，我们经常通过它看到自己。

"The wound is the place where the Light enters you."