Ignorance is the mother of Devotion: A maxim that is proverbial, and confirmed by general experience. Look out for a people, entirely destitute of religion: If you find them at all, be assured, that they are but few degrees removed from brutes. What so pure as some of the morals, included in some theological system? What so corrupt as some of the practices, to which these systems give rise?

Part XV - General corollary - The Natural History of Religion (1757)