Now therefore, please swear to me by the LORD that you will indeed show kindness to my family, because I showed kindness to you. Give me a sure sign
12. Now, therefore, I pray you, swear, etc. It is another manifestation of faith that she places the sons of Abraham in sure possession of the land of Canaan, founding on no other argument than her having heard that it was divinely promised to them.
The matter is here settled between Rahab and the spies respecting the service she was now to do for them, and the favour they were afterwards to show to her. She secures them on condition that they should secure her. I. She gives them, and by them sends to Joshua and Israel, all the encouragement that could be desired to make their intended descent upon Canaan.
Commenting on Joshua 2:8-21
Now therefore, I pray you, swear unto me by the Lord,.... Which being a religious action, and done by men that feared the Lord, she knew it would be binding upon them: the Targum is,"swear to me by the Word of the Lord:" since I have showed you kindness; by receiving them with peace into her house, and hiding them when inquired for and demanded...