Was not Abraham our father justified by works, in that he offered up Isaac his son upon the altar?

Was not the righteousness of Abraham our father judged by his works, when he made an offering of Isaac his son on the altar?

Αβρααμ ο πατηρ ημων δεν εδικαιωθη εξ εργων, οτε προσεφερεν Ισαακ τον υιον αυτου επι το θυσιαστηριον;

Was not Abraham our father justified by works, when he had offered Isaac his son upon the altar?