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Science fiction is any idea that occurs in the head and doesn't exist yet, but soon will, and will change everything for everybody, and nothing will ever be the same again. As soon as you have an idea that changes some small part of the world you are writing science fiction. It is always the art of the possible, never the impossible.

Science fiction is becoming more of a diverse kind of genre.

Science fiction is my way of pushing the imagination onward. It's a way to understand how the world will look in the future.

Science fiction is a way that I can go into the abstract, go into the imagination, and audiences are still willing to go along for the ride.

We are in a tech-heavy society, plunging headlong into an unknown future. Science fiction is what allows you to stand back and analyze the impact of that and put it in context of how it affects people.

My old English buddy, John Rackham, wrote and told me what made science fiction different from all other kinds of literature - science fiction is written according to the science fiction method.

Science fiction in particular is often assumed to be about the future, or about some abstract technological or philosophical idea, or just about 'adventure,' but writers can't build worlds out of nothing. We use bits and pieces of the real world to assemble our fictional ones.

Science fiction is an extension of science.

Science fiction is fantasy about issues of science. Science fiction is a subset of fantasy. Fantasy predated it by several millennia. The '30s to the '50s were the golden age of science fiction - this was because, to a large degree, it was at this point that technology and science had exposed its potential without revealing the limitations.

Most science fiction is based on our knowledge now and uses that to project the future.