εἰς τετρημένον πίθον ἀντλεῖν → run water into a punctured pitcher, to the perforated jar bale water, labour in vain, labor in vain
P. ἡ θεολογική (Aristotle), ἡ πρώτη φιλοσοφία (Aristotle).
philosophy: P. φιλοσοφία, ἡ.
