Abstract
Charles and Boyd both advocate natural law, but for substantially different purposes. For Charles, "natural law thinking will determine our ability to relate to and address surrounding culture" (p. 23). Since all people of goodwill can discern certain basic goods as important to human flourishing, awareness of this natural law allows Christians and non-Christians to engage in moral conversation. Granted, even if there is agreement on what helps human beings to flourish, there is still discussion about which good has the greatest weight in a given situation and how it can best be achieved.