Last Writings on the Philosophy of PsychologyIn the last years of his life, from 1949 to 1951, Wittgenstein's writings focused upon knowledge and certainty (collected together in On Certainty), upon colour concepts (in Remarks on Colour) and upon the relation between the "inner" and "outer", that is, between so called mental states and bodily behavior. His writings on this third theme, now available in paperback, are gathered here for the first time. Wittgenstein's last weeks were a period of