The difference between correlation and causation is not just academic—it can have profound policy implications.
相关性和因果关系之间的区别不仅仅是学术上的——它可能具有深远的政策影响。
领导力就是今天做出艰难的决定,以便明天让所有人受益。
最好的数学是简单的,但又不至于过于简单。
Courage is not the absence of fear, but the triumph over it.
The only fence against the world is a thorough knowledge of it.