Moving away from debates about definitions, Virtue Epistemology shows what conditions are essential for knowledge and applies this account to different domains. It proposes that agents must be motivated correctly to acquire knowledge, even in the case of perception.

Stephen Napier examines closely the empirical research in cognitive science and moral psychology to build an account of knowledge wherein an agent must perform acts of virtue in order to get knowledge. In so doing, Napier provides answers to two key questions: 'what is knowledge?' and 'how do we get it?'