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
adv.avec élégance ou finesse.Étymologie: ἀστεῖος.
ἀστείως:1) вежливо, учтиво (ὑποκορίζεσθαι τὰς πόρνας ἑταίρας Plut.);2) остроумно, тонко (ἐπισκώπτειν Luc.).