Now what I contend is that my body is my own, at least I have always so regarded it. If I do harm through my experimenting with it, it is I who suffer, not the state.
The soul comes from without into the human body, as into a temporary abode, and it goes out of it anew it passes into other habitations, for the soul is immortal.
There are hundreds of thousands of microbes surrounding us, but they cannot harm us unless we become weak, until the body is ready and predisposed to receive them.