ἔχε
From LSJ
Ὅτι οὐδὲν ἧττον τὰ αὐτὰ ποιήσουσι, κἂν σὺ διαρραγῇς → You may break your heart, but men will still go on as before
English (Woodhouse)
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(Translation based on the reversal of Woodhouse's English to Ancient Greek dictionary)