Romans 13:3 establishes that rulers reward good and punish evil; verse 4 then explains the sword as the means of punishment.

In Romans 12:19, Paul forbids personal vengeance, then here explains God's appointed agent for executing that wrath.

In Micah 3:9, rulers detest justice and make crooked what is straight—a direct contrast to the righteous avenger in Romans.

In Micah 3:1-4, rulers hate good and devour the people—contrasting with God's servant who avenges wrongdoing.

2 Chronicles 19:6 instructs judges they judge for God — reinforcing that authorities are God's servants, not mere humans.

In Ezekiel 22:27, rulers are wolves tearing prey—the opposite of God's servant who punishes evil for good.

Psalm 82:2-4 rebukes unjust rulers who fail to defend the weak — God's servants must punish evil and protect the vulnerable.

Jeremiah 5:28 condemns rulers who neglect the fatherless and needy — contrasting with the God-ordained role to punish evil and protect the weak.

Proverbs 24:24 curses those who acquit the guilty — directly supporting that rulers must punish wrongdoers as God's agents.

1 Peter 2:14 echoes this same teaching: governors are sent by God to punish evildoers and praise the good.

Genesis 9:6 establishes capital punishment by human authority, the foundational principle behind the sword-bearing role in Romans 13:4.

In Jeremiah 21:12, the Lord commands the house of David to execute justice and deliver the oppressed — directly echoing the ruler's duty as God's servant to punish evil.

In Nehemiah 13:21, the governor warns Sabbath-breakers and threatens physical force — a concrete example of authority punishing wrongdoing as in Romans 13:4.

In 2 Kings 9:7, God commissions Jehu to strike down Ahab's house as His agent of vengeance — a direct parallel to the ruler bearing the sword as God's servant for punishment.

Leviticus 19:18 forbids personal revenge, showing that vengeance is delegated to the governing authorities who bear the sword.

In Numbers 35:19-27, the avenger of blood puts murderers to death—a precedent for capital punishment the sword represents.

Ecclesiastes 8:2-5 stresses obedience to the king as an oath before God — reinforcing the divine authority behind rulers.

Proverbs 24:23 warns against partiality in judgment — aligning with the call for authorities to be impartial agents of God's justice.

In Proverbs 16:14, a king's wrath is a messenger of death—paralleling the sword of wrath Romans describes.

In 1 Samuel 9:17, God directly appoints Saul as ruler over Israel — illustrating that governing authority comes from God, which underlies the role described in Romans 13:4.

John 8:11 shows Jesus offering forgiveness instead of condemnation — contrasting with the state's role of punishing wrongdoing.

Deuteronomy 19:20 highlights the deterrent purpose of punishment, which the sword in Romans 13:4 serves by making wrongdoers an example.