γένους ἅπαντος ῥίζαν ἐξημημένος

From LSJ

οὐκ ἐν τῷ πολλῷ τὸ εὖ, ἀλλ' ἐν τῷ εὖ τὸ πολύgood is not found in plenty but plenty in good, quality matters more than quantity

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