all the things of which we were just now speaking come to annihilation through their own corruption attaching to them and inhering in them and so destroying them. Is not this true?

Yes.

Consider the soul in like manner. Does the injustice or other evil which exists in the soul waste and consume her? Do they by attaching to the soul and inhering in her at last bring her to death, and so separate her from the body?

Certainly not.

And yet, I said, it is unreasonable to suppose that anything can perish from without through affection of external evil which could not be destroyed from within by a corruption of its own?

It is, he replied.

Consider, I said,