To grasp what natural law is all about, we have to understand nature as fashioned according to certain purposes.  We have to view every kind of thing there is as an arrow directed naturally to its goal.  The way Thomas Aquinas put this was to say that the “nature” of any particular thing is “a purpose, implanted by the Divine Art, that it be moved to a determinate end.”

A colleague of mine worries about the cacophony of voices in the modern world.  Instead of complaining that we have no answers, he complains that we have too many – there are too many religions, too many philosophies, too many sacred texts.  We are in a new and unprecedented intellectual condition, he tells me -- a Pluralism.