学习理论中的一个关键见解是，假设类的复杂性对于泛化至关重要。
A key insight in learning theory is that the complexity of a hypothesis class is crucial for generalization.
理解就是感知模式。
"A story is not a message with a plot wrapped around it, but a plot that may contain a message."
否认进化史就是否认我们自己。