"Our consciousness depends wholly on our seeing the outside world in... categories. And the problems of consciousness arise from putting reconstitution beside internalization, from our being able to see ourselves as if we were objects in the outside world. That is the very nature of language; it is impossible to have a symbolic system without it. [Difficulties] arise from this remarkable and wholly human gift that allows us first of all to separate ourselves from the outside world. ...[W]e are able to rearrange it in our heads ...And with that goes inevitably a sense of ourselves, sometimes also as an outside person. The Cartesian dualism between mind and body arises directly from this, and so do all the famous paradoxes, both in mathematics and in linguistics..."