And prepare against them whatever you are able of power and of steeds of war by which you may terrify the enemy of Allah and your enemy and others besides them whom you do not know [but] whom Allah knows. And whatever you spend in the cause of Allah will be fully repaid to you, and you will not be wronged.
Well I mean the Mayans weren't retarded. The sun, Earth, and the center of the Milky Way will all line up on December 21, so I do give them some credit. I believe they only believe this to be more or less the beginning of a new era, not the end of the world.