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
v. trans.
P. and V. κακῶς ποιεῖν, κακῶς δρᾶν, αἰκίζεσθαι, ὑβρίζειν, λυμαίνεσθαι (acc. or dat.), λωβᾶσθαι (Plat.), κακουργεῖν. κακοῦν, P. παρανομεῖν εἰς (acc.).
