"What exactly is goodness? Where is it found in the literary imagination? Toni Morrison, one of American letters' greatest voices, pondered these perplexing questions in her celebrated Ingersoll Lecture, delivered at Harvard University in 2012 and published now for the first time in book form. Perhaps because it is overshadowed by the more easily defined evil, goodness often escapes our attention. Recalling many literary examples, from Ahab to Coetzee's...