That’s really what SF is all about, you know: the big reality that pervades the real world we live in: the reality of change. Science fiction is the very literature of change. In fact, it is the only such literature we have.Goodreads.com. (2019). Frederik Pohl Quotes (Author of Gateway). [online] Available at: https://www.goodreads.com/author/quotes/22996.Frederik_Pohl [Accessed 26 Nov. 2019].