at heart.” If he was, his honouring Merodach does not prove it. To my mind it proves exactly the reverse. Cyrus understood the monotheism which was at the bottom of the Babylonian religious system and which these very tablets have revealed to modern scholarship. He understood that “however numerous and diversified the nations of the earth may be, the God who reigns over them all can never be more than one.”[2] Footnote 2: Words written by a Japanese reformer named Okubo about fifty years ago. He was governed by expediency in his respect for the faiths of his subject peoples, but he was governed also by something higher than expediency. That Darius Hystaspis, who is allowed to have been a monotheist, continued his policy, shows that it was not thought to involve disloyalty to Ahura Mazda since of such disloyalty Darius would have been incapable. If we grant that the Iranians were, in the main, monotheistic at a date when not more than a part of the population professed Zoroastrianism, the question follows, of what was the difference between the reformed and the unreformed religion? To answer this satisfactorily, we must remember that the paramount object of Zoroaster was less change than conservation. Like Moses whom an attractive if not well-founded theory makes his contemporary, he saw around a world full of idolatry, and he feared lest the purer faith of Iran should be swamped by the encroachments of polytheism and atheism (for, strangely enough, the Avesta abounds in references to sheer negation). The aim of every doctrine or practice which he introduced was to revivify, to render more comprehensible, more consistent, the old monotheistic faith.