Joshua 2:14-18

So the men said to her, “Our life for yours if you do not tell this business of ours; and it shall come about when the Lord gives us the land that we will deal kindly and faithfully with you.” The Promise to Rahab

Then she let them down by a rope through the window, for her house was on the city wall, so that she was living on the wall.

And she said to them, “Go to the hill country, so that the pursuers will not encounter you, and hide yourselves there for three days until the pursuers return. Then afterward you may go on your way.”

And the men said to her, “We shall be exempt from this oath to you which you have made us swear,

unless, when we come into the land, you tie this cord of scarlet thread in the window through which you let us down, and gather into your house your father, your mother, your brothers, and all your father’s household.