在计算学习的背景下，“可能近似正确”（PAC）学习的概念为理解学习算法的效率和可行性提供了一个框架。

关键不是消除恐惧，而是控制它。

"To be an actor is to be a perpetual student of human nature."

谎言环游全球的时候,真相还没穿好裤子。

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

被迫获得的知识无法在头脑中扎根。