To be a science fiction writer you must be interested in the future and you must feel that the future will be different and hopefully better than the present. Although I know that most - that many science fiction writings have been anti-utopias. And the reason for that is that it's much easier and more exciting to write about a really nasty future than a - placid, peaceful one.
Arthur C. ClarkeScience fiction seldom attempts to predict the future. More often than not, it tries to prevent the future.
Arthur C. ClarkeTwo possibilities exist: Either we are alone in the Universe or we are not. Both are equally terrifying.
Arthur C. ClarkeIn this universe the night was falling; the shadows were lengthening towards an east that would not know another dawn. But elsewhere the stars were still young and the light of morning lingered; and along the path he once had followed, Man would one day go again.
Arthur C. Clarke