George Orwell's science-fiction classic 'Nineteen Eighty-Four' wasn't a failure because the future it predicted failed to come to pass. Rather, it was a resounding success because it helped us prevent that future.

One of the things that science fiction gets to do is thought experiments about the human condition that would be impractical or unethical to conduct in real life.

There were four major 20th-century science fiction writers: Arthur C. Clarke, Isaac Asimov, Robert A. Heinlein and Ray Bradbury. Of those four, the first three were all published principally in science-fiction magazines. They were preaching to the converted.

A lot of people forget that the origin of science fiction in the U.S. was in the post-First World War period when there was a real interest to get people into technical careers.

You can't be a 21st-century science fiction writer writing about Mars without doing tips of the hat to Edgar Rice Burroughs, to Ray Bradbury, to H.G. Wells, to the guys who first put it in the public imagination that Mars was an exciting place.