the true protagonist of an sf story or novel is an idea not a person. If it is good sf the idea is new, it is stimulating, and, probably most important of all, it sets off a chain-reaction of ramification-ideas in the mind of the reader; it so-to-speak unlocks the reader's mind so that mind, like the author's, begins to create. Thus sf is creative and it inspires creativity, which mainstream fiction by-and-large does not do.
— philik k dick dr. willis McNelly
#inspirational