Believing is a disposition. We could tire ourselves out thinking, if we put our minds to it, but believing takes no toll.

Language is a social art.

Wyman's overpopulated universe is in many ways unlovely. It offends the aesthetic sense of us who have a taste for desert landscapes, but this is not the worst of it. Wyman's slum of possibles is a breeding ground for disorderly elements.

How many possible men are there in that doorway?

It is within science itself, and not in some prior philosophy, that reality is to be identified and described.