The elegance of a mathematical proof often mirrors the efficiency of the algorithm it describes.
最难的事情是变得简单。
The key to trading success is emotional discipline.
The greatest inventions are those which most directly meet the wants of mankind.
The individual is the only reality. The further we move away from the individual, the more abstract and unreal we become.
You can't change the people around you, but you can change the people you choose to be around.