Making

David Hume, Essays Moral, Political, Literary (1741-2): 'Art may make a suit of clothes; but nature must produce a man' [Essay XV, 'The Epicurean'].

Science Fiction, of course, has spent the twentieth-century splendidly contradicting the second part of Hume's little assertion here. What it needs to do, in the twenty-first, is to contradict the first part too.