This is space. It's sometimes called the final frontier. (Except that of course you can't have a final frontier, because there'd be nothing for it to be a frontier to, but as frontiers go, it's pretty penultimate . . .)
Terry PratchettI must have read every issue of 'Punch' published in the 20th century, and I think in the process I picked up the true voice of English humour - that amiable, fairly liberal, laconic voice which you find in something like 'Three Men in a Boat.'
Terry Pratchett