With the upcoming disaster film "2012" and the current hype about Mayan calendars and doomsday predictions, it seems like a good time to put such notions in context.
Most prophets of doom come from a religious perspective, though the secular crowd has caused its share of scares as well. One thing the doomsday scenarios tend to share in common: They don't come to pass.
http://www.livescience.com/strangenews/091104-doomsday-predictions.html
Finally, brethren, whatsoever things are true, whatsoever things are honest, whatsoever things are just, whatsoever things are pure, whatsoever things are lovely, whatsoever things are of good report; if there be any virtue, and if there be any praise, think on these things.
Philippians 4:8