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
ἐξαραίρημαι: Παθ. παρακ. του ἐξαιρέω.
ἐξαραίρημαι: ион. (= ἐξῄρημαι) pf. pass. к ἐξαιρέω.
