解析：天地之所以能长久存在，是因为它们的一切运作都不为自己，所以能够长久。

The existence of a legal system is a matter of social fact.

可持续林业不是一种选择，而是我们的责任。

There's a violence in the act of making.

I want to be free, and art gives me that freedom.

The mind once enlightened cannot again become dark.

无限的责任是一种病态。

The semiconductor industry is a marathon, not a sprint.

"The quantum world is not just a smaller version of the classical world; it operates under entirely different rules."