Throughout the whole of human history, people would kill each other in the name of God. They did not know that the God they fought for was the God of Power. The 11th century is known for two historical religious initiatives – the Crusades and Assassins of Syria. Since the 9/11 attacks, a new tragic era of terrorism began and spread from the US and all through Europe and Asia. The tragedy in Paris, France in November 2015 urged the writer to refer to the roots of religious extremism.