it is labor lost to

From LSJ

Ὅτι οὐδὲν ἧττον τὰ αὐτὰ ποιήσουσι, κἂν σὺ διαρραγῇς → You may break your heart, but men will still go on as before

Source

English > Greek (Woodhouse Extra)

πόνος περισσός ἐστι