The true challenge in mathematics is not solving problems, but asking the right questions.
数学中真正的挑战不是解决问题，而是提出正确的问题。
作家的职责不仅是讲故事，还要揭示隐藏在日常生活表面下的真相。
If you get all the facts, your judgment can be right; if you don't get all the facts, it can't be right.
I've always believed that clothes should look lived-in, like they have a past.
The essence of causal inference is to go beyond the data and ask what would happen if we intervene.