Here is where many people reading Hebrews can find themselves in a dilemma. If by “rest” the writer meant “eternal salvation,” then the example of the rebellious Israelites who could not enter the Promised Land becomes gravely problematical.
Once saved, always saved. The people remained delivered from their bondage and suffering. But God would bring them back to their beginnings, and for the rest of their lives they would have only the hope of the Promised Land for their children