Robert Stalnaker opposes the traditional view that knowledge of one's own current thoughts and feelings is the unproblematic foundation for all knowledge. He argues that we can understand our knowledge of our thoughts and feelings only by viewing ourselves from the outside, by seeing our inner lives as features of the world as it is in itself. - ;On the traditional Cartesian picture, knowledge of one's own internal world -- of one's current thoughts and feelings -- is the unproblematic foundation for all knowledge. The philosophical problem is to explain how we can move beyond this knowledge,