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

什么是悲剧?悲剧就是善的冲突。

The material is not just a skin, it’s the soul of the building.

"Words are the only things that last forever; everything else perishes."

Every mathematical problem has a solution; it just takes time and creativity to find it.

文学的美在于它超越时空的能力。