 The knowledge that we have of our soul through consciousness is imperfect, granted; but it is not false. On the other hand, that knowledge that we have of bodies through sensation or consciousness, if the confused sensation we have of what takes place in our body can be called consciousness, is not only imperfect, but also false. We therefore need an idea of the body to correct our sensations of it—but we need no idea of our soul, since our consciousness of it does not involve us in error…. (Search 239)