Money quote below the fold.
...You think they [the Islamic State] make this sh*t up? It's all in the book. Their f***ing book. The only book they ever read. They read it all the time. They never stop.Read it all HERE.
They're there for one reason and one reason only. To die for the caliphate and usher in a world without infidels. That's their strategy. And it's been that way since the seventh century.