Just the facts.  The Quran contains 109 versus that call on Muslims to wage war on non- believers.  Some versus are quite graphic...

"Kill disbelievers wherever you find them. If they attack you, then kill them. Such is the reward of disbelievers." (Quran 2:191)

"Virgins await those who enter paradise." (Quran 3:15)

The truly insane believe this stuff...