6 Just then one of the Israelite men brought a Midianite woman into his tent, right before the eyes of Moses and all the people, as everyone was weeping at the entrance of the Tabernacle. 7 When Phinehas son of Eleazar and grandson of Aaron the priest saw this, he jumped up and left the assembly. He took a spear 8 and rushed after the man into his tent. Phinehas thrust the spear all the way through the man's body and into the woman's stomach. So the plague against the Israelites was stopped,

Matthew Henry's Commentary on Numbers 25:6-8

Commentary on Numbers 25:6-15

(Read Numbers 25:6-15)

Phinehas, in the courage of zeal and faith, executed vengeance on Zimri and Cozbi. This act can never be an example for private revenge, or religious persecution, or for irregular public vengeance.