In the context of computational learning, the concept of 'probably approximately correct' (PAC) learning provides a framework for understanding the efficiency and feasibility of learning algorithms.

The only way to change the world is to change yourself.

"The world is full of obvious things which nobody by any chance ever observes."

I think the best way to give back is to be a good person.

家不是你来自的地方，而是你归属之处。