数学的语言是普遍的，超越了文化和语言的障碍。

The quality of an organization's passion determines the quality of its excellence.

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

The most valuable resource we extract isn't minerals—it's human potential.

I don't compete with anyone but myself.

It is not a lack of love，but a lack of friendship that makes unhappy marriages.