We may illustrate this double explanation by a reference to some of Plato's Dialogues, such as the Gorgias, where the ethical argument has a singularly mixed effect on the mind. Partly, it seems to us more or less dexterous sophistry, playing on a confusion of thought latent in the common notion of good: partly a noble and stirring expression of a profound moral faith.

ME Book 3 Chapter 14 Section 5