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;
 that you will also show kindness unto my father's house;
 she mentions not herself and household, for if this was granted that would be implied and included; and this she presses for by the law of retaliation and friendship, for since she had shown kindness to them, it was but reasonable it should be returned: 
 and give me a true token;
 that she and her father's house would be saved by them when the city should be taken and the inhabitants destroyed; a token that would not deceive her, on which she might depend, and would be firm and sure.