To understand the concept of the Resurrection of the Dead, we need to examine the statement in the Mishna that all Jews have a share in the World to Come. This refers to the World to Come implying the World of the Resurrection. It further states that those that do not believe in the Resurrection as it is indicated in the Torah, forfeit their share in the World to Come. This is based on the principle of measure for measure so that those denying the Resurrection will not experience it. The
Furthermore, when the Mishna refers to Jews as “all of your people are righteous and they will inherit the land” it emphasizes that fulfilling commandments elicits the appellation “righteous”. Thus in the future they will inherit the Land, the Land of the Living which is a reference to the World to Come. Not only that, the fact that Jews are referred to as "Then all your people [will be] righteous; They will possess the land forever, The branch of My planting, The work of My hands..” implies that the Jewish people possess a tremendous intrinsic value and for that alone they may be deemed worthy of the World to Come.