The world is full of people who have never, since childhood, met an open doorway with an open mind.
身份高贵的人,不应该欺凌地位卑贱的人;腰缠万贯的人,不应该对穷人傲慢无礼。否则的话,他的荣华富贵就很难持久了。
In mathematics, the journey is often more important than the destination.