8 Before the men[1] lay down, she came up to them on the roof 9 and said to the men, "I know that the Lord has given you the land, and that the fear of you has fallen upon us, and that all the inhabitants of the land melt away before you. 10 For we have heard how the Lord dried up the water of the Red Sea before you when you came out of Egypt, and what you did to the two kings of the Amorites who were beyond the Jordan, to Sihon and Og, whom you devoted to destruction.[2] 11 And as soon as we heard it, our hearts melted, and there was no spirit left in any man because of you, for the Lord your God, he is God in the heavens above and on the earth beneath. 12 Now then, please swear to me by the Lord that, as I have dealt kindly with you, you also will deal kindly with my father's house, and give me a sure sign 13 that you will save alive my father and mother, my brothers and sisters, and all who belong to them, and deliver our lives from death." 14 And the men said to her, "Our life for yours even to death! If you do not tell this business of ours, then when the Lord gives us the land we will deal kindly and faithfully with you." 15 Then she let them down by a rope through the window, for her house was built into the city wall, so that she lived in the wall. 16 And she said[3] to them, "Go into the hills, or the pursuers will encounter you, and hide there three days until the pursuers have returned. Then afterward you may go your way." 17 The men said to her, "We will be guiltless with respect to this oath of yours that you have made us swear. 18 Behold, when we come into the land, you shall tie this scarlet cord in the window through which you let us down, and you shall gather into your house your father and mother, your brothers, and all your father's household. 19 Then if anyone goes out of the doors of your house into the street, his blood shall be on his own head, and we shall be guiltless. But if a hand is laid on anyone who is with you in the house, his blood shall be on our head. 20 But if you tell this business of ours, then we shall be guiltless with respect to your oath that you have made us swear." 21 And she said, "According to your words, so be it." Then she sent them away, and they departed. And she tied the scarlet cord in the window.
Matthew Henry's Commentary on Joshua 2:8-21
Commentary on Joshua 2:8-21
(Read Joshua 2:8-21)
Rahab had heard of the miracles the Lord wrought for Israel. She believed that his promises would certainly be fulfilled, and his threatenings take effect; and that there was no way of escape but by submitting to him, and joining with his people. The conduct of Rahab proved that she had the real principle of Divine faith. Observe the promises the spies made to her. The goodness of God is often expressed by his kindness and truth, Psalm 117:2; in both these we must be followers of him. Those who will be conscientious in keeping promises, are cautious in making them. The spies make needful conditions. The scarlet cord, like the blood upon the doorpost at the passover, recalls to remembrance the sinner's security under the atoning blood of Christ; and that we are to flee thereto for refuge from the wrath of a justly offended God. The same cord Rahab used for the saving of these Israelites, was to be used for her own safety. What we serve and honour God with, we may expect he will bless, and make useful to us.