The universe would look to a two-dimensional creature who spend its life moving on the service of what turned out to be a globe, it could travel for millions of years and would always return to its starting point, it would never be conscious of what was above it or beneath it.
"The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all. And that, of course, causes great confusion."