He examined the persistent impression that he was engaged in a sort of dialogue with life, that his life was the progress of a two player-game between say himself and World, and that even if the two were unevenly matched there was a good reason to study the other player's moves, since they were responses to his own. Rather than hunting for error in this context for belief, he found he could use it to refract his scepticism, so that it produced differently angled and more unusual forms of illumination. It was a way to discover rarer breeds of doubt.