συνδιάγω
δὶς ἐξαμαρτεῖν ταὐτὸν οὐκ ἀνδρὸς σοφοῦ → a wise man should not keep making the same mistake, a wise man should not repeat the same mistake, doing twice the same mistake is not a wise man's doing, making the same mistake twice does not befit the wise, making the same mistake twice does not belong to a man who is wise, making the same mistake twice does not belong to a wise man, the wise man does not make the same mistake twice, to commit the same sin twice is not a sign of a wise man, it is unwise to err twice
English (LSJ)
[ᾰ],
A go through together, τὴν ἡμέραν Hsch.: abs. (sc. τὸν βίον), live together, Arist.Rh.1381a30; σ. τινί Id.EN1166a7, Dsc. Prooem.4; μετ' ἀλλήλων Arist.EN1157b22; ἐπιθυμίαις ἀνόμοις σ. Plu.2.993c.
German (Pape)
[Seite 1007] (s. ἄγω), mit od. zugleich durchführen; – sc. τὸν βίον, scheinbar intrans., zusammen leben, Arist. neben συνδιημερεύω, rhet. 2, 4; Plut. Alcib. 37, öfter.