Note 138 — Chapter X · ETHICS. THE GENERAL PRINCIPLES OF THE STOIC ETHICS. ABSTRACT THEORY OF MORALITY.
Oswald J. (Oswald Joseph) Reichel translation
Cleanthes, in Stob. Floril. 6, 19:
ὅστις ἐπιθυμῶν ἀνέχετ’ αἰσχροῦ πράγματος
οὗτος ποιήσει τοῦτ’ ἐὰν καιρὸν λάβῃ.