The Republic by Plato Part 10 Page 52

Either, then, let us refute this conclusion, or, while it remains unrefuted, let us never say that fever, or any other disease, or the knife put to the throat, or even the cutting up of the whole body into the minutest pieces, can destroy the soul, until she herself is proved to become more unholy or unrighteous in consequence of these things being done to the body; but that the soul, or anything else if not destroyed by an internal evil, can be destroyed by an external one, is not to be affirmed by any man.

And surely, he replied, no one will ever prove that the souls of men become more unjust in consequence of death.

But if some one who would rather not admit the immortality of the soul boldly denies this, and says that the dying do really become more evil and unrighteous, then, if the