Mathematics is the art of giving the same name to different things.

Hard work beats talent when talent fails to work hard.

The future of coal depends on balancing economic growth with environmental responsibility.

I believe in the power of love and the power of music to change lives.

The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.

最好的领导者是那些能够授权他人去领导的人。