On one interpretation, happiness also requires a minimum provision of external goods (e.g., health, security, access to resources) independent of virtuous activity
The idea that we ought to care about ethics, understood as Williams does, finds inspiration in the work of Aristotle. Aristotle is concerned with the nature of the good life in the broadest sense—in what he calls “eudaimonia,” often translated as “happiness”. Aristotle defends the idea that happiness consists in being a virtuous person over a complete life, and, in turn, the idea that being a virtuous person requires not only that one have virtuous qualities and dispositions, but also that one a