Upon their return to the human world, Billy is a few feet from the others.

How was it possible he'd been lost to the human world?

And if we are lost to the human world, what then?

"Then why not set us down on a human world now?"

As for the human world, it is clear that we have free choice.

One day they'll do what he did to every human world.

But who can we turn to for wisdom in the human world?

The natural and the human world are both built of cells.

And when it does, the human world can well pass away.

She is very dedicated to her family and works in the human world.