Agile Manifesto: http://agilemanifesto.org/
Half-Assed Agile Manifesto: http://www.halfarsedagilemanifesto.org/
I had to giggle a little at this. You'll have to actually click on the links and read what they say.
Waterfall is so deeply ingrained in peoples brains as "the only way" they reject all others.
I've seen agile/scrum zealots as well but nothing fails quite so hard as waterfall.