The PAC learning framework provides a formal way to analyze the efficiency and effectiveness of learning algorithms.

War is an ugly thing， but not the ugliest of things； the decayed and degraded state of moral and patriotic feeling which thinks that nothing is worth war is much worse.

He is the only animal that loves his neighbor as himself, and cut his throat if his theology isn't straight.

我认为最重要的事情是对自己真实和诚实。