Knowing the Natural Law

Recent discussions of Thomas Aquinas's treatment of natural law have focused upon the "self-evident" character of the first principles, but few attempts have been made to determine in what manner they are selfevident. On some accounts, a self-evident precept must have, at most, a tenuous connection with speculative reason, especially our knowledge of God, and it must be untainted by the stain of "deriving" an ought from an is. Yet Aquinas himself had a robust account of the good, rooted in ...