In the context of computational learning, the concept of 'probably approximately correct' (PAC) learning provides a framework for understanding the efficiency and feasibility of learning algorithms.

我不是商人；我就是生意，伙计。

译文：拥有万贯家财不算富有，胸怀仁义才贵值千金。赏析：钱财如粪土，仁义值千金。并不说钱财不重要，而是告诉我们，人不能光为了钱财就忽略做人的道义，就把为人的底线抛到脑外。

The best way to predict the future is to invent it.

Thought is the means by which the organism negotiates its way through the world.