"Altruism has always been one of biology's deep mysteries. Why should any animal, off on its own, specified and labeled by all sorts of signals as its individual self, choose to give up its life in aid of someone else? Nature, long viewed as a wild, chaotic battlefield swarmed across by more than ten million different species, comprising unnumbered billions of competing selves locked in endless combat, offers only one sure measure of success: survival."
Lewis Thomas, Late Night Thoughts on Listening to Mahler's Ninth Symphony, page 101.
For the evolutionist living in the combat zone described above, the question that demands an answer is, Where did love come from? For the Christian living in a universe radiant with the glory of the Lord, the question that demands an answer is, Where did selfishness come from?