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世界是一本書，不讀書的人只活了一次。

The concept of law is essentially a matter of social fact.

In mathematics, the art of proposing a question must be held of higher value than solving it.

I don't care if you're black, white, straight, bisexual, gay, lesbian, short, tall, fat, skinny, rich or poor. If you're nice to me, I'll be nice to you. Simple as that.

This is the map that shows us where we're going. And this is the map that shows us where we've been. And it's never ever ugly.