section of the human race. Gibbon was probably right in his conjecture that if Charles Martel had been defeated at the famous battle near Tours, the creed of Islam would have overspread a great part of what is now Christian Europe, and in that case it might have ruled over it for centuries. No one can follow the history of the conversion of the barbarians to Christianity without perceiving how often a religion has been imposed in the first instance by the mere will of the ruler, which gradually took such root that it became far too strong for any political power to destroy. Persecution cannot annihilate a creed which is firmly established, or maintain a creed which has been thoroughly undermined, but there are intermediate stages in which its influence on national beliefs
