"The truth will set you free, but first it will piss you off."
A good world needs knowledge， kindliness， and courage； it does not need a regretful hankering after the past or a fettering of the free intelligence by the words uttered long ago by ignorant men.
模型是对现实的简化表示，但其价值在于它能够提供不立即显而易见的见解。
The best way to predict the future is to create it.
It's not about ideas. It's about making ideas happen.