Sophist – Plato
STRANGER: Then any taking away of evil from STRANGER: Do you not conceive discord to be a the soul may be properly called purification?
dissolution of kindred elements, originating in some disagreement?
THEAETETUS: Yes.
THEAETETUS: Just that.
STRANGER: And in the soul there are two kinds of evil.
STRANGER: And is deformity anything but the want of measure, which is always unsightly?
THEAETETUS: What are they?
THEAETETUS: Exactly.
STRANGER: The one may be compared to disease in the body, the other to deformity.
STRANGER: And do we not see that opinion is opposed to desire, pleasure to anger, reason to THEAETETUS: I do not understand.
pain, and that all these elements are opposed to one another in the souls of bad men?
STRANGER: Perhaps you have never reflected that disease and discord are the same.
THEAETETUS: Certainly.
THEAETETUS: To this, again, I know not what I STRANGER: And yet they must all be akin?
should reply.
THEAETETUS: Of course.