Wherefore? Because they sought it not by faith, but as it were by the works of the law. For they stumbled at that stumblingstone;
Why not? Because they pursued it not by faith but as if it were by works. They stumbled over the stumbling stone.
Διὰ τί; Ὅτι οὐκ ἐκ πίστεως, ἀλλ' ὡς ἐξ ἔργων νόμου· προσέκοψαν γὰρ τῷ λίθῳ τοῦ προσκόμματος,
Dia ti; Oti oyk ek pisteōs, all' ōs ex ergōn nomoy· prosekopsan gar tō lithō toy proskommatos,