Philosopher John Locke declared in "A Letter Concerning Toleration" that when a faith advocates bodily harm against human beings, it ceases to be a religion.
LETTER TO THE EDITOR: Real religions do not advocate violence →
(Locke argued for religious toleration for all - except, of course, for us Catholics.) There are no martyrs or cathedrals in a state of nature.
BOOK REVIEW: Tocqueville's leap of faith →