Numbers 14:9

14:9 Only do not rebel against the Lord, and do not fear the people of the land, for they are bread for us. Their protection has turned aside from them, but the Lord is with us. Do not fear them!”

Numbers 31:19

Purification After Battle

31:19 “Any of you who has killed anyone or touched any of the dead, remain outside the camp for seven days; purify yourselves and your captives on the third day, and on the seventh day.