I prefer my bad habits to the teachings of others.
我宁愿保留我的坏习惯，也不愿被别人教导。
PAC学习框架提供了一种形式化的方法来量化概念类的可学习性。
The best way to predict the future is to invent it.
The best way to cheer yourself up is to try to cheer somebody else up.
The invention of the cotton gin was the result of necessity and observation.
数学家的工作是在别人看到混乱的地方发现模式。