Lesley Gore

When I wake up in the morning, and I go to the piano, and there's a blank sheet of paper in front of me, by the end of the day, that could be a gold mine. You really do need to wake up and expect that the world is your oyster because it very well may be.

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.