LARRY
          In cosmology, the Arrow of Time
          simply points in the direction of
          expansion; if the universe decides to
          contract one day... well...

                    ROBIN
          The past will come looking for us
          whether we want it to or not?

                    LARRY
          Cosmologists argue that the future
          will continue to point in the same
          direction...
            (beat)
          ... but perhaps the universe has a
          more open mind.