... restrains the wanton tendencies of desire to corporeal delight. For in all such operations it manifestly subdues the irrational motions, both gnostic and appetitive, and absolves itself from them, as from things foreign to its nature. But it is necessary to investigate the essence of every thing, not from its perversion, but from its energies according to nature. If therefore reason, when it energizes in us as reason, restrains the shadowy impressions ... — Introduction to the Philosophy and Writings of Plato • Thomas Taylor