Martin Landau

But if, on the other hand, we should be justified in rejecting it, if there testified on oath, then, supposing our rules of evidence to be sound, we may be excused if we hesitate elsewhere to give it credence.

In Paris, AIDS was dismissed as an American phobia until French people started dying; then everyone said, 'Well, you have to die some way or another.' If Americans were hysterical and pragmatic, the French were fatalistic: depressed but determined to keep the party going.

The historical novelist has to consider what has actually happened, while the SF writer is dealing in possibilities, but they are both in the business of imagining a world unlike our own and yet connected to it.