学习数学的唯一方法就是做数学。
The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.
The greatest gift is the passion for reading.
The pursuit of knowledge is a journey without a final destination.
色彩是我整日的痴迷、快乐和折磨。
我只是享受当下。
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.