Well, "peace" (according to Mohammedans) means submission to Mohammedanism.
When they say "we want peace" they're saying "You better convert."
Whenever I point this out to people who've never studied the language (I minored in Arabic in college about thirty years ago and have forgotten most of whatever I knew - but this little factoid stuck in my mind) I feel a lot like the guy at the end of the Twilight Zone episode shouting "It's a cook book!".