学习数学的唯一方法就是做数学。
The only way to learn mathematics is to do mathematics.
A dream is a place where a wish and a fear meet. When the wish and the fear are exactly equally balanced, you call the dream a nightmare.
Poetry is perhaps what teaches us to nurture the charming illusion: how to be reborn out of ourselves over and over again, and use words to construct a better world, a fictitious world that enables us to sign a pact for a permanent and comprehensive peace ... with life.
