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
subs.
V. κευθμών, ὁ, μυχός, ὁ, κεῦθος, τό, ψυκτήριον, τό (Aesch., and Euripides, Fragmenta); see arbour.
