The Book of Proverbs' frequent use of binary oppositions - righteous and wicked, wise and foolish - has led many to assume that its vision of the moral world is relatively simplistic. This study demonstrates that Proverbs in fact presents a remarkably sophisticated response to ethical questions of profound concern to the Israelite sages who crafted the book: what motivates human beings? How do they learn? How does the power of desire shape human characters?...