We owe our modern prosperity to Enlightenment ideas. ___ Was the Enlightenment a Good Thing? At first blush, the question sounds almost sacrilegious. The eighteenth-century Enlightenment, after all, taught us to be democratic and to believe in human rights, tolerance, freedom of expression, and many other values that are still revered, if not always practiced, in modern societies. On the other hand, historians question whether the Enlightenment actually led to brotherhood and equality (it did not, of course), and even freedom, its third objective, was achieved only partially and late. Some have even suggested that its ideas of human “improvement”...