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. εὑσεβῶς, ὁσίως, P. θεοσεβῶς (Xen.).
exceedingly: P. and V. σφόδρα, κάρτα (rare P.).
