waste one's labour
From LSJ
ἀναγκαιότεραι μὲν οὖν πᾶσαι ταύτης, ἀμείνων δ᾽ οὐδεμία → accordingly, although all other sciences are more necessary than this, none is more excellent (Aristotle, Metaphysics A 983a10)
English > Greek (Woodhouse Extra)
περιεργάζεσθαι, περισσὰ πράσσειν, περισσὰ δρᾶν
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