The key to credible causal inference is not just the method, but how well the method fits the question at hand.
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 most important thing is to retain your identity and not try to be something you're not.
我们生活得越快，感受得越少。
每首歌都有自己的旅程。
设定新目标或做新梦想永远不会太老。
The past is always with us, for it feeds the present.