"I want to tell you something Mark, something you do not yet know. But we K-Paxiens have been around long enough to have discovered. The universe will expand, then it will collapse back on itself, then it will expand again. It will repeat this process forever. What you don't know is that when the universe expands again, everything will be as it is now. Whatever mistakes you make this time around you will live through on your next pass. Every mistake you make, you will live though, again, and again, forever. So my advice to you is to get it right this time around, because, this time, is all you have..."
If you have not seen K-PAX yet, I recommend you go rent or buy it, now...