Glaucon
καλῶς δρῶν ἐξαμαρτεῖν μᾶλλον ἢ νικᾶν κακῶς → I would prefer to fail with honor than to win by evil | I prefer to fail by acting rightly rather than win by acting wrongly | Better fail by doing right, than win by doing wrong (Sophocles, Philoctetes 95)
Wikipedia EN
Glaucon (/ˈɡlɔːkɒn/; Greek: Γλαύκων; c. 445 BC – 4th century BC) son of Ariston, was an ancient Athenian and the philosopher Plato's older brother. He is primarily known as a major conversant with Socrates in the Republic, and the interlocutor during the Allegory of the Cave. He is also referenced briefly in the beginnings of two dialogues of Plato, the Parmenides and Symposium.
Wikipedia FR
Glaucon d'Athènes (en grec ancien Γλαύκων) est un philosophe et musicien, élève de Socrate.
Wikipedia DE
Glaukon (altgriechisch Γλαύκων Glaúkōn, auch Glaukon von Athen; * vor 428 v. Chr.; † nach 382 v. Chr.) war ein älterer Bruder des Philosophen Platon. Er soll sich als Schriftsteller betätigt haben.