可持续发展不是一种选择，而是现代经济中生存的必要条件。

The concept of truth is inseparable from the concept of freedom.

"A story untold is a life unlived; through narratives, we give meaning to our existence."

Happiness is that state of consciousness which proceeds from the achievement of one's values.

法律不是一个封闭的逻辑系统，而是一种社会控制手段。