Book 7
1.37
Ariston, the son of Miltiades and a native of Chios, who introduced the doctrine of things morally indifferent; Herillus of Carthage, who affirmed knowledge to be the end; Dionysius, who became a renegade to the doctrine of pleasure, for owing to the severity of his ophthalmia he had no longer the nerve to call pain a thing indifferent: his native place was Heraclea; Sphaerus of Bosporus; Cleanthes, son of Phanias, of Assos, his successor in the school: him Zeno used to compare to hard waxen tablets which are difficult to write upon, but retain the characters written upon them. Sphaerus also became the pupil of Cleanthes after Zeno’s death, and we shall have occasion to mention him in the Life of Cleanthes.
1.38
And furthermore the following according to Hippobotus were pupils of Zeno: Philonides of Thebes; Callippus of Corinth; Posidonius of Alexandria; Athenodorus of Soli; and Zeno of Sidon.Perhaps an error for Zeno of Tarsus.
