Rashi to Bamidbar 31:3 says: וידבר משה וגו': אף על פי ששמע שמיתתו תלויה בדבר עשה בשמחה ולא איחר: Moses spoke: Although he heard that his death depended on the matter, he did it joyfully, ...
In Numbers 31, God tells the Israelites to wipe out the Midianites (and incidentally, Balaam) by killing every male. But they spared certain women (v17-18): Now therefore kill every male among the ...
When Israel took vengeance on Midian they sent 12,000 troops (Numbers 31:4) and prevailed. We aren't told how numerous Midian was, only that the spoils includes 32,000 virgin women (31:35). This ...