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

海洋是伟大的统一者，因为地球上所有生命都依赖于它的健康。

多元宇宙不是一个理论，它是我们最好理论的后果。

爱就是爱去爱爱。

I want to make a difference in the world.

Be brave enough to be different.

What excites me most is the potential for catalysis to solve real-world problems in sustainable ways.