τί γὰρ καλὸν ζῆν βίοτον, ὃς λύπας φέρει → for what good is there to live a life that brings pain
vain: P. and V. μάταιος, ἀνήνυτος, P. ἄκαρπος, ἄπρακτος, V. ἀκάρπωτος.
