οὐκ ἂν λάβοις παρὰ τοῦ μὴ ἔχοντος → you can't take from one who doesn't have, you can't squeeze blood out of a turnip, you can't get blood out of a turnip, you can't get blood from a stone, you can't get blood out of a stone
P. and V. μέγας, μέγιστος, ὑπερφυής (Aesch., Fragment). P. ὑπερμεγέθης, Ar. ὑπέρμεγας.
ironically: Ar. πελώριος; see vast.
