Darius Rucker

Some artists will tell you that's all they want to do is write their own music, and that's great, but George Strait, Kenny Chesney, Tim McGraw, Garth Brooks, they didn't write everything they recorded, and they've had major, major careers. I think it's all about the best song.

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.