An enquiry into the original of moral virtue [electronic resource] : wherein it is shewn, (against the author of The fable of the bees, &c.) that virtue is founded in the nature of things, is unalterable, and eternal, and the great Means of private and publick Happiness. with some reflections on a late book, intitled, An enquiry into the original of our ideas of beauty an virtue. By Archibald Campbell, S. T. P and Regius Professor of Ecclesiastical History in the University of St. Andrews.