善恶之间的界限常常是模糊的。

积极情绪不是微不足道的奢侈品，而是最佳功能的关键必需品。

I am not young enough to know everything.

The soil is not just dirt—it's the foundation of civilization.

Diversity in forest species mirrors the diversity needed in business thinking.

"Quantum mechanics is not just a theory, it is a framework that has fundamentally changed our understanding of reality."

The only way to tell the truth is to speak with authority, and the only way to speak with authority is to claim the right to tell the truth.

死者虽不可见，但他们并未缺席。