15 Powerful Lessons from Joshua 2: Rahab, the Spies, and the Scarlet Line in the Window

The most useful thing anyone in Jericho knew about God was known by a prostitute. The king had informers. The men on the wall had a view of the plain and the camp across the river.

Everybody in that city had heard the same news out of Egypt, and it had done the same thing to all of them: drained the courage out of them and left them sitting inside their gate waiting for the end. One woman heard it and moved. The lessons from Joshua 2 come out of the gap between hearing and moving, and that gap is what this chapter is really about.

Brief Summary of Joshua 2

Joshua sends two men across the Jordan to look at the land, and at Jericho in particular. They lodge at the house of a woman named Rahab, a prostitute whose home is built into the city wall. The king hears of them and sends to her door.

Rahab hides the men under flax stalks on her roof and sends the search party off in the wrong direction. Then she tells the spies what the whole city has been feeling since news of Israel’s God reached them, and asks for her family’s lives. The men swear an oath on three conditions, one of them a scarlet line tied in her window. She lets them down the wall, and ties the cord.

Lesson 1: A Settled Promise from God Still Asks for Your Diligence (Joshua 2:1)

Joshua 2:1: “And Joshua the son of Nun sent out of Shittim two men to spy secretly, saying, Go view the land, even Jericho.”

God had already told Joshua the land was his. “Every place that the sole of your foot shall tread upon, that have I given unto you,” he had said one chapter earlier. Joshua had it in writing, so to speak. And the first thing he does with it is send two men to go and look.

He does not send twelve, and he does not send them publicly. He had been on the last mission like this, almost forty years earlier, and he had watched ten men come back with a report that cost a generation its inheritance. So this time it is two men, and the text says they went to spy secretly.

There is a way of holding God’s promises that makes a person passive. If it is settled, why plan, why prepare, why count the cost of anything. Joshua shows the opposite instinct.

Certainty about the outcome made him more careful, not less, because he was not trying to find out whether God would give him the land. He was trying to be ready for the way God would give it.

Where has a promise you genuinely believe become the reason you stopped preparing for anything?

Lesson 2: What You Do with What You Believe Is the Proof That You Believe It (Joshua 2:4)

Joshua 2:4: “And the woman took the two men, and hid them, and said thus, There came men unto me, but I wist not whence they were:”

Notice the order of that sentence. She hid them first. The words to the king come afterward, in the second half of the verse, and the hiding is already done by the time she opens her mouth.

Her confession of faith does not arrive until verse 9. Five verses before she says a word about the LORD, she has already committed treason against her own city on behalf of the people of the LORD. The faith was working before it was speaking.

And it was working at the worst possible moment. The king’s men had come to her door and named both her and her address, so the easy thing was available, legal, and already half-done. She did the costly thing with the danger standing in her doorway rather than at a comfortable distance from it.

James picks up this exact moment: “Likewise also was not Rahab the harlot justified by works, when she had received the messengers, and had sent them out another way?” He is not saying she earned anything.

Nobody in this chapter earns anything, and Rahab had no claim at all on Israel or on Israel’s God. His point is that a faith which never shows up in what a person does is a faith nobody can identify, including the person holding it.

Faith that costs nothing and changes nothing has not been tested. Rahab’s had, before she had the vocabulary for it.

Read also: Is Grace a License to Sin

Lesson 3: God Uses What Was Already in Your Hands Before You Knew Why It Was There (Joshua 2:6)

Joshua 2:6: “But she had brought them up to the roof of the house, and hid them with the stalks of flax, which she had laid in order upon the roof.”

You have a stack of ordinary things in your life right now that you would never list if someone asked what God had given you. Skills, habits, work you did for reasons that had nothing to do with him.

Rahab had flax on her roof. It was laid out to dry, the way linen has long been made, put in order for reasons that had nothing to do with Israel. That is what two men were lying underneath while the king’s messengers were asking after them.

Scripture does not tell us why she kept flax, and it is worth resisting the urge to make it mean more than it says. The verse reports what was on the roof, and readers who reach past that for a case about her character are supplying it themselves. Which is its own comfort: what saved the mission was not something Rahab went and got for the crisis, but work she had already done without knowing what it was for.

Most of what God will use in your life is like that. The years that felt wasted, the skill you learned for a job you no longer have, the ordinary competence you never thought of as spiritual. None of it was labelled. It was just laid in order on the roof, and then the day came when two lives depended on it.

Lesson 4: Real Faith Talks About God’s Promise as Something Already Settled (Joshua 2:9)

Joshua 2:9: “And she said unto the men, I know that the LORD hath given you the land, and that your terror is fallen upon us, and that all the inhabitants of the land faint because of you.”

Listen to how you talk about the thing you have asked God for. Most of us keep it conditional, hedged in advance, in case it does not come.

Rahab does not. And she does not wait until morning to say it either. Verse 8 tells us she came up to the roof before the men had even lain down, with the search party still out on the road to the Jordan.

Then look at her tense. Hath given. Not will give, not may give. She says it standing inside a walled city that has not been touched, whose gate still shuts every night, whose army is still armed. Nothing she can see supports the sentence she has just spoken. The walls are the most solid fact in her world and she talks past them as though they were already rubble.

She also uses the covenant name. Everyone in Jericho was afraid of Israel; she is the first person in this chapter to name the LORD and to say the land is his to hand over.

That is what believing God looks like from the inside. The walls are still there and she can still see them. She has decided which of the two facts in front of her is the durable one, and she talks accordingly, with nothing to go on except that he said it.

Talk about what God has promised you the way Rahab talked about that land.

Lesson 5: The Same News That Terrifies One Person Saves Another (Joshua 2:10-11)

Joshua 2:10-11: “For we have heard how the LORD dried up the water of the Red sea for you, when ye came out of Egypt; and what ye did unto the two kings of the Amorites… And as soon as we had heard these things, our hearts did melt, neither did there remain any more courage in any man, because of you.”

Information about God is not the scarce thing. It never has been. What is scarce is the willingness to do anything about it.

Read Rahab’s pronouns here. We have heard. Our hearts melted. She is reporting what happened to the whole city, herself included, and it is the same event landing on everyone at once.

So the news was not the difference. Every household in Jericho had the Red Sea story. Every man on that wall knew what had happened to Sihon and Og.

The information was general, public, and accurate, and it produced in almost all of them a fear that led nowhere at all. They melted, and then they stayed.

Something similar happens around the truth about God more often than we like to admit. A person can be genuinely moved, genuinely shaken, genuinely convinced that God is real and that things are serious, and can do nothing further with it for the rest of their life. Conviction that stops at feeling is not the same as coming to God, and Jericho is what it looks like when a whole city gets that far and no further.

The men on that wall were not ignorant. They were informed, frightened, and lost.

Read also: Importance of Repentance in the Bible

Lesson 6: You Can Know the Right Thing About God and Still Do Nothing with It (Joshua 2:11)

Joshua 2:11: “for the LORD your God, he is God in heaven above, and in earth beneath.”

Rahab’s sentence here is one of the clearest statements about God in the book, and it comes out of the mouth of a Canaanite prostitute who had no share in the law Israel had been given. Moses had said almost exactly this to Israel: “Know therefore this day, and consider it in thine heart, that the LORD he is God in heaven above, and upon the earth beneath: there is none else.”

She lands on Israel’s own confession without ever having been taught it. But hold that next to the men she has just described.

They knew God was real, and they knew he was stronger than what they had. That knowledge cost them their courage and never once cost them their allegiance, and they died with an accurate theology of the God who was coming.

There is a way of knowing true things about God that leaves a person exactly where it found them. You can hold a correct doctrine of his power, agree with every sentence of it, and never once submit to the person the doctrine is about. Rahab and her neighbours held the same sentence. She was the one who said “the LORD your God” and then went on to act as though he were now hers to answer to.

Which of the true things you already believe about God have never actually changed your allegiance?

Lesson 7: Faith Built on What You Have Heard Counts as Faith (Joshua 2:10)

Joshua 2:10: “For we have heard how the LORD dried up the water of the Red sea for you, when ye came out of Egypt”

How much of what you believe about God did you personally witness?

Rahab witnessed none of it. The Red Sea, the water standing up, Sihon’s army falling: every one of those happened somewhere else, to someone else, while she went about her life in Jericho. Everything she believed had reached her second-hand. The text says only that they had heard, and it does not tell us who carried the reports in, though the Red Sea she names had happened a generation before she was told about it.

She had a report. That was all. And out of the report she drew a conclusion so firm that she staked her life and her family’s lives on it in a single night.

Hebrews puts it plainly: “he that cometh to God must believe that he is, and that he is a rewarder of them that diligently seek him.” That is precisely what Rahab did with second-hand information.

A lot of believers carry a private sense that their faith is a lesser grade because nothing dramatic ever happened to them. No vision, no voice, no moment. Just the account of what God has done, received and believed.

Scripture keeps commending exactly that. It is the ordinary kind of faith, held by most of the people God has ever saved, and it is what put a woman from Jericho into the family line of Christ.

Read also: Walking with God: How to Walk with God

Lesson 8: Asking God for Assurance Is Allowed (Joshua 2:12)

Joshua 2:12: “Now therefore, I pray you, swear unto me by the LORD, since I have shewed you kindness, that ye will also shew kindness unto my father’s house, and give me a true token:”

Why does a woman who has just confessed that the LORD is God in heaven and earth turn around and ask for a token she can hold?

Because faith and the desire for assurance are not opposites. She has believed something enormous on the strength of a rumour, and she asks for one thing she can put her hands on. Nobody in the chapter rebukes her for it. The spies give her what she asks for, and then some, and Scripture records the whole exchange without a word of correction.

This matters for anyone who has felt ashamed of needing reassurance. There is a difference between a heart that will not believe until it gets a sign and a heart that has believed and asks for something to hold on to, and Scripture treats the two very differently.

Rahab is not bargaining. She has already thrown in her lot with Israel and taken the risk that goes with it. The token is not the ground of her faith; it is what she wants to steady herself with while she waits.

If that is where you are, ask him. Not for proof that he is real, but for the steadying you need to keep standing while nothing has happened yet.

Lesson 9: New Faith Starts Asking Who Else Can Be Saved (Joshua 2:13)

Joshua 2:13: “And that ye will save alive my father, and my mother, and my brethren, and my sisters, and all that they have, and deliver our lives from death.”

Mercy that has genuinely landed on someone rarely stays where it landed. It starts looking around the room.

Rahab had been a believer for the length of one conversation, and her first request was a list of other people: father, mother, brothers, sisters, and everything that belongs to them.

Her own name does not appear until the last three words, and even then it is folded into a plural: deliver our lives from death.

The text records no instruction, no example, and no prompting from the spies. Something about grasping that she could be spared appears to have made her unable to think about it alone.

That instinct is one of the surest marks that mercy has actually landed on a person. When someone truly understands that they have been let off, the thought of the people around them stops being an afterthought.

Two cautions belong here, though. The oath she got covered her household, and it still had a condition: they had to come into the house. Her faith did not save her relatives automatically, and no one is saved by the faith of someone who loves them.

What Scripture puts in your hands is the pursuing, the asking, the door held open, and the years of prayer. The outcome belongs to God, and the people you love remain people who must come in themselves.

Lesson 10: Mercy Costs the One Who Gives It (Joshua 2:14)

Joshua 2:14: “And the men answered her, Our life for yours, if ye utter not this our business. And it shall be, when the LORD hath given us the land, that we will deal kindly and truly with thee.”

Our life for yours. Two men who had been lying under flax stalks that same evening, whose survival depended entirely on the goodwill of the woman standing in front of them, put their own lives on the line of a promise to a Canaanite prostitute.

They were not in a position to be generous. They had nothing to give but the pledge itself, and the pledge was expensive: if Israel took the city and Rahab died in it, the debt fell on them. Mercy tends to work out this way. It moves something real from the one who gives it to the one who receives it, and somebody absorbs a cost the other person would otherwise have carried.

She got them out the same night, down a rope from a window in a house built into the town wall, so the very fortification that kept Israel out was the thing two Israelites climbed down to get free.

Which is exactly the shape of what God has done. “God commendeth his love toward us, in that, while we were yet sinners, Christ died for us.” Our life for yours is not a bad summary of the gospel, spoken here by two frightened men on a roof in Jericho who had no idea they were rehearsing it.

Lesson 11: God Arranges the Real Result of Work That Looks Like It Achieved Nothing (Joshua 2:24)

Joshua 2:24: “And they said unto Joshua, Truly the LORD hath delivered into our hands all the land; for even all the inhabitants of the country do faint because of us.”

Now set that beside verse 9, where Rahab said the terror had fallen on the city and “all the inhabitants of the land faint because of you.”

It is her sentence. The spies walked back to Joshua and reported, almost word for word, the thing a Canaanite woman had told them on her roof. That is the whole intelligence yield of the mission.

Read Joshua 6 and you will find that nothing they saw of the walls or the gates or the garrison is used for anything. The city falls by a procession and a shout.

So on its stated terms, the operation produced nothing. Two men went into a hostile city, hid under flax, escaped down a rope, and came home carrying a quotation. What it did produce was Rahab. The mission that gathered no usable military information was the mission that put two Israelites in the one house in Jericho where a woman was ready to believe, and it ended with her family alive and her name in the genealogy of Christ.

You will not usually be able to see this from inside the assignment. The thing that felt like a wasted trip may be the only part God was actually arranging.

Lesson 12: Salvation Is Offered to Anyone (Joshua 2:18-19)

Joshua 2:18-19: “thou shalt bind this line of scarlet thread in the window which thou didst let us down by; and thou shalt bring thy father, and thy mother, and thy brethren, and all thy father’s household, home unto thee. And it shall be, that whosoever shall go out of the doors of thy house into the street, his blood shall be upon his head, and we will be guiltless”

The oath was genuine and it had terms. Three of them: the scarlet line in the window, the whole family gathered inside, and silence about the mission. Miss any one and the spies were free of it.

Verse 19 is the sharp one. The safety was attached to a location rather than to a bloodline or an address: inside the house, covered; out in the street, on your own head.

There is nothing stingy in that. The door was open to every relative she could reach, and the invitation had no limit except the walls of one building. But the invitation being wide did not make the threshold optional, and a brother of Rahab standing forty feet from that door with the scarlet cord in plain sight was in exactly the same danger as anyone else in Jericho.

God’s mercy is offered without discrimination and it is received in one place, which is Christ himself. Being near the people who are covered is not the same as being covered.

Bring the people you love to that door, and be inside the house yourself.

Read also: How to Accept God’s Forgiveness and Forgive Yourself

Lesson 13: Obedience That Waits for the Emergency Is Not Obedience Yet (Joshua 2:21)

Joshua 2:21: “And she said, According unto your words, so be it. And she sent them away, and they departed: and she bound the scarlet line in the window.”

She tied it that night. The army was still on the far side of the Jordan and had not crossed, so there was no trumpet, no siege, and no horizon full of tents to make the cord feel urgent. She could have kept the cord in a drawer and hung it the morning the watchmen shouted, and by any practical reckoning that would have worked just as well.

She tied it immediately, and it stayed in that window through everything that came after.

Many Christians have heard the scarlet cord read as a picture of the blood of Christ, and the connection has been drawn since the early centuries of the church. Joshua 2 does not say so, and it is best held as a parallel believers have seen rather than as the verse’s stated meaning.

What the verse does say is that the sign of her rescue went up long before the danger arrived. The marked house in Exodus 12 was marked the same way, in advance.

Do the thing God has told you to do while it still feels unnecessary. Wait until the reason is obvious and you will have obeyed, but you will have done it by sight.

Lesson 14: God Puts Your Name in His Family Without Rewriting Your Record (Joshua 2:1)

Joshua 2:1: “And they went, and came into an harlot’s house, named Rahab, and lodged there.”

Would you introduce someone by the worst thing they ever did, in the same sentence where you praised them?

Scripture does. Count how many times it attaches that word to her: here in Joshua 2:1, again in Joshua 6:17 and 6:25, then Hebrews 11:31 in the roll call of faith, then James 2:25, where she is held up as an example of faith proved genuine.

The two New Testament verses that praise her are the same two verses that keep calling her the harlot.

Something in us would have edited that. We would have introduced her as Rahab of Jericho, or Rahab the believer, and retired the old title the moment the faith arrived. Scripture will not do it. The record stands, unamended, in the places of highest honour she ever receives.

That cuts two ways, and both are mercy. It means God never pretends the sin was nothing; her past is named plainly and is not called clean when it was not. And it means she was received without the record having to be made presentable first. She was written into the line that runs to David and to Christ with the word still attached.

You do not have to become a different story before God will have you. He takes people as they come, and he does not need the file cleaned up to put your name in his family.

Read also: Am I Beyond Repentance

Lesson 15: God Opens the Door Before You Know There Is Anything to Ask For (Joshua 2:13-14)

Joshua 2:13-14: “And that ye will save alive my father, and my mother, and my brethren, and my sisters… And the men answered her, Our life for yours”

Remember what the standing command was. “But of the cities of these people, which the LORD thy God doth give thee for an inheritance, thou shalt save alive nothing that breatheth.” Jericho was under that sentence, and the sentence was just. The chapter does not soften it and neither should we.

And the first person named in the whole conquest narrative who is not an Israelite is a Canaanite who lives.

She did not find a loophole. Nothing in this chapter suggests the judgment was less serious than it sounded, or that God changed his mind about Jericho, because he did not. Jericho fell exactly as announced. What happened is that a way through the judgment existed for anyone in that city who would come and take it, and one household did, and God had the arrangements in place before Rahab knew there was anything to ask for.

That is the God this chapter is showing you. Not one who is torn between his justice and his mercy, but one who was already opening a door on the very morning he announced the sentence, and who has been doing that in every generation since.

The judgment in Scripture is real. So is the door.

Frequently Asked Questions About Joshua 2

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Conclusion: What the Lessons from Joshua 2 Ask of You

Everyone in Jericho had the news. That is the fact this chapter will not let go of, and it is why the lessons from Joshua 2 land closer to home than a story about an ancient siege has any right to. The city was destroyed with the facts in its hands. It heard, it was afraid, and it stayed where it was, and one woman in a house on the wall heard the identical thing and crossed over.

The difference between them was never knowledge. It was what they did on the night they knew. You are almost certainly not short of information about God. Go and do something with what you already have, and start with the thing you have known you should do for a long time.