SF has at least the advantage of not depending on preconceptions.

I think these days an SF connection would be a boost to other books; I'm sure more people have read my two little detective puzzles because of the SF connection.

Anything can happen in SF. And the fact that nothing ever does happen in SF is only due to the poverty of our imaginations, we who write it or edit it or read it. But SF can in principle deal with anything.

People have laughed at all great inventors and discoverers.

In most conventional novels, God is not allowed to be nuts. Nor are nuts allowed to be God.

SF has at least the advantage of not depending on preconceptions.

The future, according to some scientists, will be exactly like the past, only more expensive.