It was a simple law of evolution, one that had worked.

"I don't think something like that could have happened by simple natural laws," he said.

This principle should be easy to enforce with a simple federal law.

We need new, simple, specific laws to cover space activities.

For future elections, states should pass a simple law to address such uncertain outcomes.

Suddenly, the simple laws of inheritance have become more complex, but the data may still be interpreted.

Gravity was a fact, a simple physical law, a force of nature.

There is also the simple law of supply and demand.

But then again, he'd seen her do several things that didn't figure in terms of the simple laws of the real world.

"Who will deal with simple law and order matters when we leave?"