ὀφείλετε μόνοι τῶν Ἑλλήνων τοῦτον τὸν ἔρανον
From LSJ
ἤπειρον εἰς ἄπειρον ἐκβάλλων πόδα → departing to the limitless mainland
ἤπειρον εἰς ἄπειρον ἐκβάλλων πόδα → departing to the limitless mainland
you alone of the Greeks ought to make this sacrifice for us