歧视对实施者来说是昂贵的，因为它减少了他们可用的人才库。

"The universe is not only stranger than we imagine, it is stranger than we can imagine."

Mathematics is the music of reason.

The writer’s duty is to tell the terrible truth, and it is the reader’s duty to learn from it.

未来属于那些今天为之准备的人。