The mind once enlightened cannot again become dark.
The world is moving so fast these days that the man who says it can't be done is generally interrupted by someone doing it.
爱是一切问题的答案。
每一个数学定理都是一个故事,一个通过逻辑和理性展开的叙述,引领我们更深入地理解世界。
The only way to deal with the complexity of the world is to simplify it.