You have to fall before you can fly.

四元数的诞生，如同几何、代数、形而上学和诗歌这四位父母的奇特后代。

Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.

Art is a form of resistance.

I can't understand why people are frightened of new ideas. I'm frightened of the old ones.

The study of psychology must include the study of the environment in which the mind operates.

世界如此之大，同时又如此之小。