Numbers 31:1-3

Young's Literal Translation

31 And Jehovah speaketh unto Moses, saying,

² `Execute the vengeance of the sons of Israel against the Midianites -- afterwards thou art gathered unto thy people.'

³ And Moses speaketh unto the people, saying, `Be ye armed some of you for the host, and they are against Midian, to put the vengeance of Jehovah on Midian;