"Computational learning theory provides a mathematical framework for understanding the capabilities and limitations of machine learning algorithms."

Marxian Socialism must always remain a portent to the historians of Opinion — how a doctrine so illogical and so dull can have exercised so powerful and enduring an influence over the minds of men， and， through them， the events of history.

Every morning I wake up in a bed that's not mine, in a house that's not mine, and I live the life of a man who's not me.

数学的力量在于它的普遍性和抽象性。