71. As regards their religion, it was permitted such as it is, because of its agreement with the genius of the Orientals, on which account, too, it was received in so many kingdoms; and because, at the same time, it made the precepts of the Decalogue a matter of religion, and it had something from the Word, and especially because it acknowledged the Lord as the Son of God, and the wisest of all. And besides it dissipated the idolatries of many nations. The reason why Mohammed was not made the means of opening to his followers a more interior religion, was on account of polygamy, which exhales uncleanness towards heaven; for the marriage of a husband with one wife, corresponds to the marriage of the Lord and the Church.