6:17-27 Jericho was to be a solemn and awful sacrifice to the justice of God, upon those who had filled up the measure of their sins. So He appoints, from whom, as creatures, they received their lives, and to whom, as sinners, they had forfeited them. Rahab perished not with them that believed not, Heb 11:31. All her kindred were saved with her; thus faith in Christ brings salvation to the house, Ac 14:31. She, and they with her, were plucked as brands from the burning. With Rahab, or with the men of Jericho; our portion must be assigned, as we posses or disregard the sign of salvation; even faith in Christ, which worketh by love. Let us remember what depends upon our choice, and let us choose accordingly. God shows the weight of a Divine curse; where it rests there is no getting from under it; for it brings ruin without remedy.

18. and ye, in any wise keep yourselves from the accursed thing—Generally they were at liberty to take the spoil of other cities that were captured (De 2:35; 3:7; Jos 8:27). But this, as the first fruits of Canaan, was made an exception; nothing was to be spared but Rahab and those in her house [Jos 6:17]. A violation of these stringent orders would not only render the guilty persons obnoxious to the curse, but entail distress and adversity upon all Israel, by provoking the divine displeasure. These were the instructions given, or repeated (De 13:17; 7:26), previous to the last act of the siege.