δι' οὐδένος ποιεῖσθαι
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)
disregard, neglect, be careless of, be heedless of, set at naught, think nothing of, treat with indifference, treat with levity