 The main reason that I believe that epistemology would have much to learn from psychology if psychologists knew more about belief formation is that I believe that in epistemology as in ethics ought implies can. Epistemic agents cannot and ought not be faulted on the grounds that they did not follow epistemic strategies which are not cognitively possible for them. (Grandy 1994: 343; cf., e.g., Cherniak 1986; Harman 1986, 1999; Bach 1984, 1985; Kornblith 2001)