不是知识，而是学习的行为；不是占有，而是到达的过程，才能带来最大的快乐。

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.

Quality is the lifeline of an enterprise.

National unity is the source of strength.

Innovation comes from solving real problems.