A Common Sense Suggestion

If some jerk makes nasty comments about your religion, quoting a 14th century text which states that the only things you create are "evil and inhuman", and that you follow your prophet's "command to spread by the sword the faith he preached" (not acknowledging that the jerk's own religion did much the same thing for centuries, too)...

...then may I suggest that murdering nuns and burning churches is probably not really the best way to prove this jerk is wrong.

Just a thought.