K. D. Lang

As a songwriter you have an umbilical cord to the song and it's hard to expand on your understanding of the lyrics. Whereas when you cover a song you can create your own reason why you're attached to it.

I know this world is ruled by infinite intelligence. Everything that surrounds us- everything that exists - proves that there are infinite laws behind it. There can be no denying this fact. It is mathematical in its precision.

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.