Day 99 — Water and War
When God Meets You in the Crisis You Didn't See Coming
However you can engage today, we’re here. Read, listen or both.
The written portion gives an overview, with verses broken down into smaller bites, and journaling/prayer prompts for reflection. In the podcast, Steve Traylor reflects on today’s passage with Scripture reading, a deeper pastoral teaching, and prayer (about 15 minutes). Perfect for morning coffee, commutes, or when your eyes need a rest.
📖 Resources: Printable Bible Book Guides (Genesis & Job) · Hard Questions, Honest Answers
We’ve written three articles That go further into the questions Exodus raises—for those who want more. We will leave them here throughout the Exodus studies:
When the God of Love Sends Plagues — How do we reconcile the harshness of the plagues with a God of lovingkindness? A companion to Days 88–93.
What Is a Miracle? — What miracles actually are in Scripture, why they cluster rather than continue, and what that means when God seems quiet. A companion to Day 95.
Not the Same God — Why the worship God prescribed in Exodus is structurally different from every other sacrificial religion in the ancient world. A companion to Days 101–124.
Exodus 17
Take a slow breath and settle in.
Yesterday, Israel gathered manna—small, white, frost-like bread appearing each morning on the desert floor for forty years. They had water at Elim, bread in the wilderness of Sin, and the pillar of cloud still moving ahead of them through the heat. The provision had been real. The road had been hard, but God had been faithful in it.
And then they come to Rephidim.
Rephidim is significant for what it doesn’t have. No springs. No oasis. No water at all for a company of hundreds of thousands of people moving through the desert in the heat of the day. They journeyed here according to the command of the Lord—not by accident, not in disobedience, not because they wandered off-route. They followed where they were led, and the road brought them to a place of crisis.
This is one of the most important things Exodus teaches us about the nature of following God: being in the center of His will does not mean being sheltered from desperate need. Sometimes the pillar of cloud leads you straight into the place where there is no water.
Today we see that the God who can strike water from stone is also the God who fights for His people when the battle arrives from the direction they never expected.
1. Rephidim and Reproach
Exodus 17:1-4
All the congregation of the children of Israel traveled from the wilderness of Sin, starting according to Yahweh’s commandment, and encamped in Rephidim; but there was no water for the people to drink. 2 Therefore the people quarreled with Moses, and said, “Give us water to drink.”
Moses said to them, “Why do you quarrel with me? Why do you test Yahweh?”
3 The people were thirsty for water there; so the people murmured against Moses, and said, “Why have you brought us up out of Egypt, to kill us, our children, and our livestock with thirst?”
4 Moses cried to Yahweh, saying, “What shall I do with these people? They are almost ready to stone me.”
They traveled by Yahweh’s commandment. The narrator states this plainly, before the crisis, so there is no confusion: Israel is not lost, not disobedient, not being punished. They are exactly where God directed them. And where God directed them, there was no water.
This is a detail worth sitting with slowly. The temptation—for Israel and for us—is to assume that crisis signals misalignment, that suffering is evidence of having wandered off the path. But Israel is explicitly on the commanded path, and the commanded path runs through Rephidim. Suffering does not always mean you have strayed. Sometimes the road God has laid before you passes through the dry place.
The people quarrel with Moses. The verb is sharp—it is the language of a lawsuit, a formal accusation. They want water. Their thirst is real. But notice where their complaint is aimed: at Moses. Moses understands the displacement. Why do you quarrel with me? Why do you test Yahweh? He hears the deeper accusation underneath the surface one. The question the people are really asking is the one they will name explicitly in verse 7: Is God actually with us, or not?
Moses, to his credit, does not respond with rebuke or defensive anger. He cries out to God. What shall I do for this people? This is the posture of a man under pressure—not performing, not preaching at the people, but turning immediately to the only One who can answer.
Journaling/Prayer: Has there been a time when you followed where you believed God was leading, only to arrive somewhere that felt like abandonment? What question were you really asking underneath the surface complaint?
If you can’t frame it as a question yet, just name it: I have been thirsty in the very place I thought I was supposed to be. That is an honest place to stand. Moses named his desperation honestly, and God answered him.
2. Stone and Stream
Exodus 17:5-7
5 Yahweh said to Moses, “Walk on before the people, and take the elders of Israel with you, and take the rod in your hand with which you struck the Nile, and go. 6 Behold, I will stand before you there on the rock in Horeb. You shall strike the rock, and water will come out of it, that the people may drink.” Moses did so in the sight of the elders of Israel. 7 He called the name of the place Massah, and Meribah, because the children of Israel quarreled, and because they tested Yahweh, saying, “Is Yahweh among us, or not?”
God’s instruction is precise and, at first glance, strange. He tells Moses to take the same rod that struck the Nile—the instrument of judgment against Egypt—and strike a rock. Not a spring, not a riverbank. A rock.
And He says something remarkable before Moses lifts the rod: I will stand before you there on the rock. God places Himself symbolically at the point where the rock will be struck.
The apostle Paul, writing to the Corinthian church centuries later, will make this typological connection explicit: “They drank from the spiritual rock that followed them, and that rock was Christ” (1 Corinthians 10:4). The rock struck in the desert—struck so that water pours out to sustain a dying people—is a picture of the One who would be struck on a cross so that living water could flow to all who thirst. The provision at Rephidim is not simply a miracle of hydrology. It is a sign pointing forward to the source of all life.
Moses strikes. Water flows. The people drink.
And then Moses names the place twice: Massah and Meribah—Testing and Quarreling. He doesn’t rename it something triumphant, something that emphasizes the miracle. He preserves the record of the failure alongside the record of the faithfulness. Both belong to the story. What happened here was real—the thirst, the quarrel, the doubt—and so was the answer.
Journaling/Prayer: “Is the LORD among us, or not?”—this was Israel’s question at Meribah. Have you asked it? Are you asking it now?
Scripture records the question honestly—and preserves both the asking and the answering. But it also returns to this moment as a warning: Do not harden your hearts as at Meribah (Psalm 95:8; Hebrews 3:8). The problem at Meribah was not the thirst, and not even the question underneath the grumbling. It was the hardening—the refusal to hold the question open before God, the decision to close into accusation rather than cry. Bring the question. Keep the heart soft. He stood on that rock. He gave the water. He was there.
3. Battle and Banner
Exodus 17:8-13
8 Then Amalek came and fought with Israel in Rephidim. 9 Moses said to Joshua, “Choose men for us, and go out to fight with Amalek. Tomorrow I will stand on the top of the hill with God’s rod in my hand.” 10 So Joshua did as Moses had told him, and fought with Amalek; and Moses, Aaron, and Hur went up to the top of the hill. 11 When Moses held up his hand, Israel prevailed. When he let down his hand, Amalek prevailed. 12 But Moses’ hands were heavy; so they took a stone, and put it under him, and he sat on it. Aaron and Hur held up his hands, the one on the one side, and the other on the other side. His hands were steady until sunset. 13 Joshua defeated Amalek and his people with the edge of the sword.
The water crisis is barely resolved before the battle arrives. This is also Rephidim.
The Amalekites were descendants of Esau, nomadic desert people who controlled these trade routes by force. Their attack on Israel was unprovoked—later Scripture confirms they targeted the weakest and most exhausted at the rear of the march (Deuteronomy 25:17-18). They came at Israel at its most depleted: barely watered, not yet rested, new to the road of freedom.
This is how the enemy tends to move: not at strength, but at the moment of depletion.
Moses deploys Joshua—the first mention of this young man who will one day carry Israel across the Jordan. Moses himself does not take the sword. He goes to the hill with Aaron and Hur and the rod of God. The battle will be won by two things operating simultaneously: Joshua fighting in the valley, and Moses interceding on the hill. Neither is sufficient alone. The sword without the intercession is just human effort. The raised hands without the fighters in the valley are just posture without obedience.
What happens next is one of the most human moments in this entire journey. Moses’ arms grow heavy. He cannot sustain the posture of intercession by himself. And so Aaron and Hur bring a stone and set it under him, and each man takes one arm and holds it up until the sun goes down.
There is no shame in this. Moses is not diminished for needing to be held. There are battles that require more strength than any one person carries alone—and the community that holds up the tired intercessor is doing holy work. Aaron and Hur are not secondary players here. They are essential to the victory.
Journaling/Prayer: Think of a time when you were too exhausted to keep holding on. Was there someone who held you up? Or is this a moment where you need to be honest that you have been fighting without anyone knowing how tired you are?
If you cannot name someone who has held your arms up, consider: Who in your life might need you to notice that theirs are falling? The circle of support in this passage flows in both directions.
4. Memorial and Name
Exodus 17:14-16
14 Yahweh said to Moses, “Write this for a memorial in a book, and rehearse it in the ears of Joshua: that I will utterly blot out the memory of Amalek from under the sky.” 15 Moses built an altar, and called its name “Yahweh our Banner”. 16 He said, “Yah has sworn: ‘Yahweh will have war with Amalek from generation to generation.’”
After the battle, before Israel takes another step, two things happen: God commands that this be written down, and Moses builds an altar.
The written record is addressed specifically to Joshua. Write this and rehearse it in the ears of Joshua. The young commander who fought in the valley needs to know what happened on the hill—that the victory was never simply his. He needs to carry the full account of this day forward, because he will fight many more battles, and he will need to remember who the real warrior is.
Moses names the altar Yahweh-Nissi: The LORD Is My Banner. In ancient warfare, a banner was a rallying point—a standard planted on the highest ground so that soldiers scattered in the chaos of battle could find their way back to formation. When you could no longer see the field, when the dust and confusion obscured everything else, you looked for the banner. When God is your banner, the question in every disorienting moment is not “What do I do?” but “Where is He?”
The declaration that follows is sober: The LORD will have war with Amalek from generation to generation. This is divine justice, not divine rage. Amalek chose to attack the weak and vulnerable—the exhausted, the straggling, the children. God sees. God records. God acts. The same God who gives water from stone and holds up the intercessor’s arms is the God who does not overlook those who prey on the broken. The Amalekites reappear throughout Israel’s history—Saul’s failure to execute God’s judgment on them costs him the kingdom (1 Samuel 15). Centuries later, Haman—identified as an Agagite, a descendant of the Amalekite king (Esther 3:1)—attempts to exterminate the Jewish people entirely. The long war with Amalek is not a footnote. It runs like a thread through Scripture, reminding God’s people that the enemies of grace do not simply disappear, and that God’s ultimate victory over them is certain.
Journaling/Prayer: Where do you need God to be your banner today—your rallying point when everything around you has become disorienting and you cannot find your footing?
You do not have to have the battle won to name Him as your banner. The altar was built before Israel took another step. The naming came first.
Summary
Exodus 17 gives us two crises in a single day at a single campsite—thirst and war—and in both, the pattern is the same: the need is real, the human resources are insufficient, and God is the answer in a form no one would have chosen or predicted.
Israel did not choose Rephidim. They were led there. And at Rephidim they learned something they would need for every mile of wilderness that remained: that desperate thirst can be answered by a rock struck in the right place, and that battles beyond human endurance can be won by intercession sustained by community.
The rock at Rephidim is not incidental scenery. Paul’s reading in 1 Corinthians 10:4 is not creative theology—it is an unveiling of what was always present in the story. The rock that stood in the way of a dying people, struck so that water could flow, is a picture of Christ struck on a Roman cross so that living water could flow to every thirsty generation. At Calvary, God stood on the rock. The blow fell. And what came out was enough for everyone who would ever thirst.
Moses’ weary arms, held up by friends until the sun went down, is not just a beautiful human moment. It is a portrait of the intercession that never grows weary—the intercession of the One who Hebrews tells us always lives to make intercession for those who draw near to God through Him (Hebrews 7:25). We have an intercessor who does not need Aaron and Hur. His arms do not fall.
And Yahweh-Nissi—the LORD Is My Banner—is not a theological abstraction. It is a name chosen at the moment of disorienting battle by a man who understood that the victory just won was not his to claim. When you cannot see the field, when the battle has been going on longer than you have strength to endure, the banner is still planted. It has not been moved.
Action / Attitude for Today
Walk through today holding this: God is not absent from the place where there is no water.
If you can, bring your thirst—your real thirst, whatever it is—directly to God and ask Him for what you cannot provide for yourself. You are not asking for too much. The rock at Rephidim was struck for people in exactly this condition.
If you can’t yet pray—if “Is God even here?” is the truest thing you can say right now—say it. Say it to Him. Meribah is in the text. The question is allowed. What is not true is the assumption that silence means absence.
If you are exhausted from holding on, consider whether there is one person in your life who could know how tired you are. Aaron and Hur didn’t appear by magic—they were there because they were close enough to see. You may need to let someone be close enough to see.
Say this prayer, as much of it as is true for you today: “Lord, I am at Rephidim. I am thirsty for something I cannot reach, and there is a battle I am not sure I have strength to finish. Strike the rock. Give me what I cannot generate. Be my banner—my rallying point when everything else becomes confusing. Hold up what I cannot hold. I trust You here, even when here is not where I would have chosen to camp. Amen.”
That is enough for today.
Your strategy, your strength, your endurance—none of these is your banner. The LORD is. He alone.
The Bible for the Broken is published by Aurion Press LLC. © Aurion Press LLC. All rights reserved.