An active reader will be able to make inferences out of the hints in a story. The writer gives this clues for the reader to be implicitly informed and for him / her to draw inferences. A science - fiction writer does the same; he / she can predict what will happen in the future from past and present information. A science-fiction writer is generally well informed and updated, which will help him/ her to forecast the future.
Algernon. Lane's views on marriage seem somewhat lax. Really, if the lower orders don't set us a good example, what on earth is the use of them? They seem, as a class, to have absolutely no sense of moral responsibility.