Every generation needs a new revolution.

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

I don't wait for moods. You accomplish nothing if you do that. Your mind must know it has got to get down to work.

爱是音乐的灵魂。

"La imaginación es el arma más poderosa que tenemos."

Ignorance is the breeding ground of tyranny.

"The greatest glory in living lies not in never falling, but in rising every time we fall."