it seemed like she would never stop heaving . but time 's extent is clearly back-and-forth and no more vertical than south-and-north ; and vertical 's the way we have to go -- or so it seems -- to get to heaven ; so this other upward ( call it 'upward prime ' ) is stretched out perpendicular to time . if he could just come up with enough money . `` you better repeat exactly what i say . thats all that matters to everyone in this room . `` i think i ought to show you something , '' he said . 