To the empiricist, the body is what brings us into touch with the world of external reality, but to Plato it is doubly evil, as a distorting medium, causing us to see as through a glass darkly, and as a source of lusts which distract us from the pursuit of knowledge and the vision of truth. Some quotations will make this clear. the soul in herself must behold things in themselves: and then we shall attain the wisdom which we desire, and of which we say we are lovers; not while we live, but after death: for if while in company with the body the soul cannot have pure knowledgep. 137.