"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."

Pure mathematics is, in its way, the poetry of logical ideas.

The past is a shadow, always following, but never catching up.

A través de la literatura, podemos entender el mundo y a nosotros mismos.

解释：一天放过敌人，会留下长期的祸害。