Letter 113 — On the Vitality of the Soul and Its Attributes (§23)

“Now do not imagine that I am the first one of our school who does not speak from rules but has his own opinion: Cleanthes and his pupil Chrysippus could not agree in defining the act of walking. Cleanthes held that it was spirit transmitted to the feet from the primal essence, while Chrysippus maintained that it was the primal essence in itself. Why, then, following the example of Chrysippus himself, should not every man claim his own freedom, and laugh down all these “living things,”—so numerous that the universe itself cannot contain them?”