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.

I think the most important thing in life is to love and be loved in return.

人类是命运的创造者，而不是奴隶。

成功不在于名利，而在于触动人心。

"The joy of drawing is in the doing, not in the finished product."