The work of Harvard analytical ethicist Christine Korsgaard is justly renowned, for her clever attempt to reconstruct a Kantian ethics in the abstract terms of contemporary analytical moral philosophy, without the philosophy of religion and other elements of Kant’s philosophy that contemporary philosophers find hard to defend. She has received less attention for her interesting takes on the history of Western ethics – which suggest to me some potential problems with her overall project.

In the prologue to The Sources of Normativity, probably her most important and influential work, Korsgaard provides what she calls a “very concise history” (her emphasis) of the connections between metaphysics and ethics in Western philosophy. I noted recently that the concept of obligation is central to Korsgaard’s philosophy, as it is to Lévinas’s; this prologue provides us with historical reasons why an obligation-centred philosophy might be a worthwhile project.

Plato and Aristotle, Korsgaard notes, had a philosophy focused on excellence (aretē, often translated “virtue”) rather than obligation, as do most of those who today reject Kantian and utilitarian ethics and are therefore usually lumped into the catch-all category of “virtue ethics.” Their ethics had much more to do more with what is good, what we should care about, than with what others oblige us to do. But, Korsgaard adds, in Plato and Aristotle this account depends on metaphysics, on a view of the way things really are. Continue reading →