Musonius Rufus on Anger and Control
"Anger is never justified against those who do wrong out of ignorance." Musonius Rufus, Rome’s strictest Stoic, put it in Greek that bites even now.

Unknown — "Head from a Figure with a Beaded Headdress" (12th–early 13th century), public domain
A line that cut through Roman tempers.
Musonius Rufus, as quoted by Stobaeus (Florilegium 2.7.11), writes: «οὔτε θυμοῦσθαι δεῖ τοῖς ἀγνοοῦσιν ἀλλὰ διδάσκειν αὐτούς.» — «Anger is never justified against those who do wrong out of ignorance; we should teach them instead.» In Rome, that was a radical command.
Why Musonius banned righteous rage.
For Musonius, anger failed twice: it lost control of itself and failed to help the other. He believed that ignorance, not malice, was the root problem. The wise man’s power wasn’t in punishing but in persuading the lost back to reason.
Musonius saw anger as weakness — a surrender to ignorance, not power. He didn’t just preach; he pressed senators, slaves, and his own family to live by this rule. In Rome, where rage settled scores, he demanded reason.