If you can’t, you must. If you must, you can.

【译文】国家强盛源于法治，衰弱混乱源于徇私。

Let me explain. I think it would be very unusual for anyone here, or anyone watching, to be envious of the Queen of England. Even though she is much richer than any of you are, and she's got a very large house, the reason why we don't envy her is because she's too weird.

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