(Latin: Coryphaeus Epicureorum)[3] Cicero states that Zeno was contemptuous of other philosophers, and even called Socrates "the Attic Buffoon (scurram Atticum).

"[5] He was a disciple of Apollodorus,[6] and Cicero and Diogenes Laërtius both describe him as an accurate and polished thinker.

[7][3][8] Zeno held that happiness is not merely dependent upon present enjoyment and prosperity, but also on a reasonable expectation of their continuance and appreciation.

[10] Zeno also studied the philosophy of mathematics based on the derivation of all knowledge from experience.

This method of controversy was followed by Zeno of Sidon, who belonged to the school of Epicurus, and against whom Posidonius has written a whole book.