τὸ λεγόμενον
From LSJ
ἄπαγ' ἐς μακαρίαν ἐκποδών → get lost, buzz off, on yer bike, bug off, bugger off, clear out, clear off, take a hike, beat it, scram, get out of here, get outta here
Greek > English (Woodhouse)
according to the adage, as the phrase is, as the saying goes, as the saying is, in common parlance