Ancient Greek text
Diogenes Laërt. VII 168. Κλεάνθης Φανίου Ἄσσιος. οὖτος πρῶτον ἦν πύκτης …
Stoicorum veterum fragmenta, Teubner, Stuttgart, 1903
Cleanthes, Testimonia et Fragmenta, ed. Hans Friedrich August von Arnim. Text: The Greek Library, from the Perseus Digital Library and other open sources, CC BY-SA 4.0. Changes: apostrophes normalised and the text divided into reading sections by Interlinea.
Texts from The Greek Library and the Perseus Digital Library, under CC BY-SA 4.0 and CC BY 4.0. Divided into reading sections by Interlinea.