可信因果推断的关键不仅是方法，还有方法与当前问题的契合度。
The key to credible causal inference is not just the method, but how well the method fits the question at hand.
The line between good and evil is often blurred, and it is up to us to navigate it.
创造财富并没有错，错的是为了钱本身而爱钱。
The most important thing is to enjoy your life - to be happy - it's all that matters.
I'm not a perfect person, but I'm a real person.
Patience and persistence are key to achieving long-term goals.