孔子说：“不到苦思冥想时，不去提醒；不到欲说无语时，不去引导。不能举一例能理解三个类似的问题，就不要再教他了。”

The idea of legal responsibility is central to the concept of law.

Innovation is not just about creating new products; it's about rethinking how we solve old problems.

数学的本质不是使简单的事情复杂化，而是使复杂的事情简单化。