Joshua said to the two men who had spied out the land, Go into the prostitute's house, and bring out there the woman, and all that she has, as you swore to her.
Moreover, let us learn from the example of Joshua, that we do not sufficiently attest our probity, by refraining from violating our promise intentionally and of set purpose, unless we also diligently exert ourselves to secure its performance. He not only allows Rahab to be delivered by her guests, but is careful to guard against her sustaining any injury in the first tumult; and to make the messengers more diligent in performing their office, he reminds them that they had promised with the intervention of an oath. 