The entire history of mankind is problem solving, or science fiction swallowing ideas, digesting them, and excreting formulas for survival. You can't have one without the other. No fantasy, no reality. No studies concerning loss, no gain. No imagination, no will. No impossible dreams: No possible solutions.
Ray Bradbury, Zen and the Art of Writing and the Joy of Writing: Two Essays
fantasy, fiction, imagination, science, science-fiction