the gAlAXy...

Kay: We do not discharge our weapons in view of the public!
Jay: Man, we ain't got time for this cover-up bullshit! I don't know whether or not you've forgotten, but there's an Arquillian Battle Cruiser that's about to--
Kay: There's always an Arquillian Battle Cruiser, or a Korillian Death Ray, or an intergalactic plague that is about to wipe out all life on this miserable little planet, and the only way these people can get on with their happy lives is that they Do... Not... Know about it!

-MIB I

It doesn't really have to be aliens or some intergalactic force out there. Just look at our world...read the news...know what's happening to different people living various kinds of life all around the earth...and you might just stop living such a happy life.

To know is to cry; to cry is to feel. It's only when we feel that we can say we know.