Nothing I had learned from science could explain that experience. Nothing about the evolutionary explanations for human behavior could account for why it seemed so right for this privileged white man to be standing at the bedside of this young African farmer, each of them receiving something exceptional. This was what C. S. Lewis calls agape. It is the love that seeks no recompense. It is an affront to materialism and naturalism. And it is the sweetest joy that one can experience.

