Anything that goes against the law of nature will receive severe punishment from it.

任何有悖自然规律的事情都会遭到大自然的严厉惩罚。

Growing old is the law of nature.

变老是自然的法则。

That is the Law of Nature.

这是自然的法则。

It thus constitutes a law of nature.

这就构成自然界的规律。

This is a fundamental law of Nature.

这是自然界的基本定律。