The concept of legal validity is crucial for understanding the nature of law.

永远倾听你的观众。如果你愿意听，他们会告诉你他们想要什么。

Forgetting is not a memory problem; it’s an attention problem.

生产与保护之间的平衡很微妙，但可以实现。

Any change, even a change for the better, is always accompanied by drawbacks and discomforts.