ἑὰν δὲ προσποιούμενος ᾗ τὰ μαθήματά πως ἀπείρως προβάλλων, οὐκ ἔστιν αἰτίας ἔξω → But should one profess knowledge as he puts forward something in an inexperienced way, he is not without blame (Pappus 3.1.30.31f.)
(1) summō (summus), abl. pris advt, à la fin, pour finir : Quint. 7, 1, 10.(2) summō, āvī, āre (summus), tr., portera son apogée : Schol. Cic. Mil. 10.