(AI Generated Summary) This lesson examines the theological basis for civil magistrates wielding the sword to enforce justice and peace within the New Covenant era. It addresses the apparent tension between Jesus' teachings on non-retaliation in the Sermon on the Mount and the biblical mandate for capital punishment and just war. The speaker argues that Scripture distinguishes between the private duties of individuals, who are called to forgive, and the public duties of magistrates, who act as God's avengers against evil. By harmonizing passages from Genesis, Exodus, and the New Testament, the text establishes that civil authority is ordained by God to restrain wickedness and promote the common good. The discussion concludes by affirming that while individuals must leave vengeance to God, civil leaders have a moral obligation to execute righteous judgment according to wholesome laws.