Bernard Williams (1929-2003) is one of the most influential philosophers of the past 100 years, with work ranging from meta-ethics to philosophy of mind to reflections on pop culture. Williams wrote with a deep sensitivity to the limitations in our knowledge, and an optimistic outlook on the prospects that we have, nonetheless, for social and moral progress. If Williams was right, we still have much to learn from the Classical world, and much of the responsibility that intellectuals have relates to the need to interpret and apply that knowledge. But Williams was not stuck in the past, and he...