Romans 6:16 grounds the command in slavery: obeying sin makes you its slave — exactly what letting sin reign does.

Romans 6:6 provides the theological basis: the body of sin was defeated, enabling us to not let sin reign.

Romans 6:14 confirms that sin will not be your master, directly supporting the exhortation here not to let it reign.

In Romans 2:8, obeying unrighteousness leads to wrath — reinforcing the warning against letting sin reign.

Romans 5:21 shows sin's reign in death — the very reign Paul commands not to let continue in your mortal body.

Romans 7:23 reveals the inner war with sin's law in the members — the battlefield where sin tries to reign.

Romans 7:24 cries out for deliverance from the body of death — the desperate result if sin reigns unchecked.

In Romans 8:11, the same mortal body receives life from the Spirit — the power that enables victory over sin's reign.

In Romans 8:13, putting to death the body's deeds by the Spirit is the active counterpart to not letting sin reign.

Romans 13:14 echoes the same command: put on Christ instead of gratifying the flesh's desires, giving practical application to not letting sin reign.

Romans 1:24 describes God giving people over to their lusts — the opposite of the active resistance commanded here.

Romans 7:21 reveals the ongoing presence of evil, explaining why the command to not let sin reign is necessary.

2 Timothy 2:22 commands fleeing youthful lusts and pursuing righteousness — a practical outworking of not letting sin reign in Romans 6:12.

Ephesians 2:3 describes believers' past life indulging fleshly desires — the very thing Romans 6:12 commands to stop.

1 Peter 1:14 echoes the command to not conform to evil desires, linking to the former ignorance before salvation, complementing Paul's warning.

Ephesians 4:22 commands laying aside the old self corrupted by deceitful lusts — the same sinful nature Romans 6:12 warns against letting reign.

In Psalm 119:133, the psalmist asks that no iniquity dominate — echoing Paul's command not to let sin reign.

Titus 2:12 instructs denying worldly desires and living righteously — the same disciplined response to sin's reign that Romans 6:12 commands.

Titus 3:3 describes past enslavement to various lusts — the very condition Romans 6:12 says believers must no longer allow.

James 1:14 explains the mechanism: lust entices and carries away — the internal source that Romans 6:12 commands not to obey.

James 1:15 shows the progression from desire to sin to death, reinforcing why believers must not let sin reign in their mortal bodies.

Galatians 5:24 grounds the command: believers have already crucified the flesh, making its reign null — the accomplished fact behind Romans 6:12.

Galatians 5:16 offers the positive counterpart: walking by the Spirit prevents carrying out fleshly desires, showing how to obey Romans 6:12.

In Psalm 19:13, David prays against sins having dominion — the exact concept Paul commands against here.

1 Peter 2:11 urges abstaining from sinful desires that wage war against the soul, directly supporting the call to not let sin reign in the body.

1 Peter 4:2 contrasts living for evil desires versus God's will, reinforcing the call in Romans 6:12 to not obey sin's desires.

1 Peter 4:3 lists the pagan behaviors driven by evil desires that believers have left behind, illustrating what not letting sin reign looks like.

1 John 2:15-17 identifies lust of flesh, eyes, and pride as worldly desires that pass away, echoing the evil desires in Romans 6:12 that must not reign.

2 Pet 2:19 warns false teachers are slaves to sin despite promising freedom — contrasting with true freedom from sin's reign in Romans 6:12.

In 2 Cor 5:15, Christ's death calls us to live for him, not ourselves — same logic as not letting sin reign over your body.

1 Corinthians 6:18 commands fleeing sexual immorality, a concrete way sin can reign in the body, echoing the principle.

John 8:34 explains that sin makes one a slave, directly paralleling the warning against letting sin reign in your body.

James 4:1-3 traces conflicts to desires battling within, the same 'evil desires' that sin uses to reign in the mortal body.

In 2 Corinthians 4:11, mortal flesh manifests Jesus' life — the opposite of sin reigning there.

1 Thessalonians 4:5 contrasts believers' sanctification with the lustful passion of pagans, echoing Romans 6:12's command to not obey lusts.

In 1 Corinthians 15:53, the mortal body is transformed to immortality — contrasting with the present call not to let sin reign in it.

1 Corinthians 6:13 teaches that the body is for the Lord, echoing the call to not let sin reign in your mortal body.

Jude 1:16 describes grumblers who follow their own evil desires, showing the opposite of the command to not let sin reign in the mortal body.