If a man mistakes, reason with him kindly and point out his misconception. If you fail, blame yourself, or no one.[Εἰ μὲν σφάλλεται, διδάσκειν εὐμενῶς καὶ τὸ παρορώμενονδεικνύναι. εἰ δὲ ἀδυνατεῖς, σεαυτὸν αἰτιᾶσθαι ἢ μηδὲ σεαυτόν.]

Source:Marcus Aurelius Antoninus to Himself (ed. Macmillan, 1898), (tr. Rendall), Book 10, #4, Page 144
Find more on