There is a detail in Joshua 4 that is easy to move past too quickly. God does not command the memorial stones at Gilgal to be built so that the people who crossed the Jordan can remember what happened. They were standing there. They felt the dry ground under their feet. They saw the water piled up twenty-five miles upstream, standing like a wall, while every tributary downstream had run dry. They did not need a pile of rocks to jog their memory. God commanded the memorial for everyone who was not there. "In the future, when your children ask what these stones mean," Joshua tells the twelve men pulling stones from the riverbed, one from each tribe, "tell them that the flow of the Jordan was cut off before the ark of the covenant of the Lord." The audience for the miracle and the audience for the memorial are two entirely different groups of people.
This is worth sitting with, because it reframes what we tend to think a memorial is for. We build memorials and monuments for ourselves. We plant flags in the moments that matter so we can return to them. And there is nothing wrong with that instinct. But God's instruction here is pointed in a different direction entirely. The stones are not a personal keepsake. They are a testimony facing forward, toward people who do not yet exist, who will one day stand in front of this pile of river rocks and ask a question their parents need to be ready to answer.
The covenant God made with Abraham in Genesis 12 was already hundreds of years old by the time Israel set foot on dry ground east of Jericho. The promise had outlived Abraham, outlived Isaac, outlived Jacob. It had survived Egypt, the wilderness, forty years of wandering, and a generation that died without receiving what had been promised to them. The Gilgal memorial was built to ensure that the next generation, and the one after that, and the one after that, would know they were not newcomers to a story that started with them. They were heirs to a covenant that had been running long before they arrived.
That is the theological weight of twelve stones stacked beside the road at Gilgal. Each stone came from a different tribe, carried on a different shoulder, across the same dry ground, to the same resting place. The memorial was communal by design. It did not belong to one family or one region or one generation of leaders. It belonged to the nation as a whole, because the covenant it was meant to preserve was a covenant made with the nation as a whole. Every child of every tribe who would ever stand in front of those stones was meant to understand that they were standing inside a story God had been telling since the beginning.
We do not always think about faith this way. We tend to reduce salvation to a transaction between an individual and God, which it is, but it is also more than that. We are saved into a kingdom, not just a private arrangement. We are adopted into a people, not merely into a personal relationship that exists in isolation from every other. The Gilgal memorial pushes back against any version of faith that treats covenant as something between one person and the Lord, full stop. The stones were carried by twelve men representing twelve tribes because the inheritance belonged to everyone. The miracle was corporate in its scope, and the memorial was built to match.
This is why the mechanism God builds into the Gilgal memorial is so specific. It is not a plaque with an inscription. It is not a monument that does the explaining for you. It is a pile of rocks that raises a question. "In the future, when your children ask their parents, what do these stones mean?" The stones do not answer the question. The parents do. The memorial is designed to prompt a conversation, which means the generation who crossed the Jordan was responsible not only for stacking the stones but for being ready to speak when the question came. The sign existed to create a moment. The moment required a voice.
We are that voice for those who come behind us. The things God has done in our lives, the moments where the ground went dry and we walked through on our own two feet, the seasons where the impossible became ordinary because He was present in the middle of it, those are the stories the next generation needs to hear. They are not just personal testimony. They are covenant inheritance. When we keep those stories to ourselves, or when we reserve them only for conversations among people who already share our faith, we are leaving the memorial unstacked. We are pulling our stone from the river and carrying it home instead of adding it to the pile.
The God who stopped the Jordan is the same God who stopped the Red Sea. He is the same God who kept a promise made in Ur of the Chaldeans across centuries and nations and wilderness wanderings. He is the same God who has been faithful in ways we have watched with our own eyes. Those who come after us need to know that. They need to know they are not the first to walk on dry ground. They are walking in a story that has been building since before they were born, and the stones we stack now are the ones they will stand in front of and ask about one day.
The question is whether we will be ready to answer.
Dr. William C.K. Yomes is the founding apologist of Faith Makes Sense and the Senior Pastor of Catalyst Community Church in Wilmington, Delaware. This article is part of his ongoing teaching ministry at Catalyst Community Church.