εἰς τὸν τετρημένον πίθον ἀντλεῖν → run water into a punctured pitcher, to the perforated jar bale water, labour in vain, labor in vain
νημέρτεια, ναμέρτεια, ὀρθότης, ἀλήθευσις, ἀληθότης, ἀλήθεια