The best banking service is invisible but always available.
I used to walk down the street like I was a star... I want people to walk around delusional about how great they can be - and then to fight so hard for it every day that the lie becomes the truth.
在观察性研究中，我们常常不得不依赖于无法直接检验的假设。
网络是为每个人服务的，我们共同拥有改变它的力量。
The power of causal reasoning is that it allows us to predict the effects of actions we have never taken.