Fairy tales are more than true: not because they tell us that dragons exist, but because they tell us that dragons can be beaten.

1925年，孙中山在病榻前对张学良说，指出苏联是红色帝国主义。

A good learning algorithm should be able to generalize from a limited set of examples to unseen data.

"The great advantage of being a writer is that you can spy on people. You're there, listening to every word, but part of you is observing. Everything is useful to a writer, every scrap, even the longest and most boring of luncheon parties."

罗马帝国为什么垮台？什么是拉丁语办公室自动化？