Do We Have Two Natures in Us: a Sinful Side and a Holy Side that Can’t Sin?

Do We Have Two Natures in Us: a Sinful Side and a Holy Side that Can’t Sin?

Romans 7: The Wretched Man and the Battle Within

“Wretched man that I am! Who will deliver me from this body of death? Thanks be to God through Jesus Christ our Lord!” (Romans 7:24–25)


Romans chapter 7 is one of the most vivid passages in Scripture. St. Paul lays bare the human struggle: the desire to do good, yet the constant pull toward sin. Many Christians read this chapter and conclude that believers live with two natures—a sinful nature and a holy nature—locked in constant battle.


This interpretation captures something true: the struggle is real. Yet, the Catholic Church offers a more precise way of understanding Paul’s words.


The “Two Natures” View


• What some Christians believe:• The believer has two natures within: the sinful flesh and the new spirit.

• These two natures fight for supremacy, creating an inner war.

• Communion is sometimes described as a “rebirth,” where Christ dwells in us and the holy nature is strengthened.


This view resonates with Paul’s cry in Romans 7: “I do not do the good I want, but the evil I do not want is what I do.” It feels like two selves are at war.


The Catholic Correction


• One nature, wounded but redeemed:• The Church teaches that we are not split beings. We have one human nature, created good, wounded by original sin, and healed by grace.


• The battle is not between two natures, but between concupiscence (the inclination to sin) and the grace of the Holy Spirit.


• Baptism = rebirth:• Baptism is the sacrament of regeneration. It removes original sin and makes us children of God.


• Communion = deeper union:• The Eucharist does not “rebirth” us, but it nourishes and strengthens the life of grace already given in Baptism. It is Christ dwelling in us sacramentally, fortifying us against sin.


Romans 7 and 8 Together


Romans 7 shows the cry of the human heart under the weight of sin. Romans 8 answers with the triumph of grace:

• “There is therefore now no condemnation for those who are in Christ Jesus.” (Romans 8:1)

• The Spirit does not coexist as one of two natures, but as the sovereign presence that claims the whole person for God.


So when Paul cries out, “Wretched man that I am!” he is not describing a divided nature, but the tension of one redeemed soul still feeling the pull of sin.


And when he rejoices, “Thanks be to God through Jesus Christ our Lord!” he points to the Spirit’s victory, already begun in Baptism and nourished in Communion.


Reflection


The “two natures” language can be misleading. It risks suggesting we are half-sin, half-holy. The Catholic vision is more unified: one nature, one soul, redeemed yet still vulnerable, constantly strengthened by grace.

• Sin intrudes, but does not own.

• The Spirit owns, and will one day perfect.


Closing Thought


Romans 7 is not a tale of two natures—it is the story of one soul, wounded yet redeemed, crying out for deliverance and finding it in Christ. Baptism gives us new birth; Communion deepens our union. The battle continues, but the victory is assured.

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