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Αὐτάρκης ἔσῃ, ἂν μάθῃς τί τὸ καλὸν κἀγαθόν ἐστι → You will be contented with your lot if you learn what the honourable and good is
ῥυάκιον: τό, ὑποκορ. τοῦ ῥύαξ, Εὐαγγ. Θωμᾶ σ. 280, 7.