计算的目的是洞察，而不是数字。
The danger is not that we will be deprived of speech， but that we will have nothing worth saying.
The beauty of instrumental variables is that they allow us to see the world in a new light.
The richness I achieve comes from Nature, the source of my inspiration.
如果你能够以完全无用的方式度过一个完全无用的下午，那么你已经学会了如何生活。
生活是一件非常稀有的事情。
Small changes can lead to big impacts when everyone commits.
Every role is a journey into the unknown.