In Romans 5:19, Paul expands the same Adam-Christ parallel: as one man's disobedience made many sinners, so Christ's obedience makes many righteous.

Romans 5:18 restates the parallel: one trespass brought condemnation for all, just as one act of righteousness brings justification.

Romans 5:17 reinforces that death reigned through Adam's trespass, then contrasts with life reigning through Christ.

Romans 5:15 contrasts Adam's trespass with Christ's free gift, extending the logic of sin's entry through one man.

In Romans 6:23, Paul states the wages of sin is death—the same consequence of sin introduced in 5:12, reinforcing the link between sin and death.

Romans 3:23 states the same truth: all have sinned and fall short of God's glory — a direct parallel to 'all sinned' here.

Romans 8:10 echoes that the body is dead because of sin, applying the same sin-death link to believers' present condition.

In Genesis 3:6, Adam and Eve eat the forbidden fruit—the historical event where sin entered, which Paul cites as the source of universal death.

1 John 1:8-10 also affirms that all have sin, but adds the hope of confession and forgiveness — expanding on the condition here.

1 Corinthians 15:21 parallels this: death came through a man, but resurrection also comes through a man — Christ.

Ezekiel 18:4 insists each soul dies for its own sin, contrasting with the corporate death through Adam described here.

In Genesis 2:17, God warns that eating the fruit brings death—the original command that explains why sin leads to death, as Paul argues.

In Genesis 3:22-24, God expels Adam from Eden to prevent access to the tree of life—the final consequence of sin, showing death's permanence.

In Genesis 3:19, God pronounces return to dust as judgment—the fulfillment of the death penalty, connecting to Paul's 'death through sin'.

1 Corinthians 15:22 explicitly parallels death through Adam and resurrection through Christ, directly echoing Romans 5:12's logic.

Hebrews 9:27 universalizes death and adds judgment — complementing the death-through-sin logic in Romans 5:12.

Ephesians 2:3 describes humanity as 'by nature children of wrath,' reflecting the inherited sinful state from Adam in Romans 5:12.

Galatians 3:22 states that Scripture imprisoned all under sin, reinforcing the universal sin condition introduced in Romans 5:12.

1 Corinthians 15:48 contrasts the earthly image of Adam (dust) with the heavenly image of Christ, extending the Adam-Christ parallel.

1 Corinthians 15:45 contrasts the first Adam (living being) with the last Adam (life-giving spirit), developing the Adam-Christ typology from Romans 5.

Genesis 5:5 records Adam's death — the direct outcome of the sin mentioned here, confirming that sin leads to death.

Job 14:4 asks who can bring purity from impurity — highlighting humanity's innate corruption, which Romans traces to Adam's sin.

Psalm 51:5 confesses being sinful from conception — directly supporting Romans' claim that all are born in sin through Adam.

Isaiah 43:27 says your first father sinned — referring to Adam, providing OT backdrop for sin entering through one man.

Genesis 5:3 shows Adam fathering a son in his own fallen likeness — illustrating how sin and death were passed to all descendants.

Revelation 20:14 shows death itself cast into the lake of fire — the ultimate defeat of what entered through sin here.

Acts 17:26 affirms that God made all nations from one man, grounding Paul's claim that sin and death spread to all through Adam.

James 1:15 describes personal sin giving birth to death — mirroring the sin-death link introduced here.