imperiously demands its own recognition as unique and exclusive and a complete transformation in accordance with its views throughout all the branches of public life. It can never allow the previous state of affairs to continue in existence by its side.

And the same holds true of religions.

Christianity was not content with erecting an altar of its own. It had first to destroy the pagan altars. It was only in virtue of this passionate intolerance that an apodictic faith could grow up. And intolerance is an indispensable condition for the growth of such a faith.