The act of writing is an act of optimism. You would not take the trouble to do it if you felt it didn't matter.
恨也罢，爱也罢，思想、感觉、观察也罢，无非都是在领悟。
我相信梦想的力量。
You are your best thing.
我写作既是为了理解，也是为了被理解。
The essence of causal inference is to go beyond the data and ask what would happen if we intervene.