Concept
Original sin
A later Christian doctrine of the human condition
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Why does harm begin again in lives that did not choose the first wrong? The Christian doctrine called original sin answers by reading the disobedience of Adam and Eve as damage that did not remain in Eden. In much Western theology, those born afterward inherit guilt, a will bent toward sin, or both, and therefore need grace. This is a later theological account of the human condition, not a phrase taught in the Sermon on the Mount.
In Romans 5, Paul places Adam and Christ in a sweeping comparison: death enters through one man, while grace comes through another. That is a first-century letter, not yet the full later doctrine. Augustine, a North African bishop writing in the late fourth and early fifth centuries, developed one of its most influential Western forms, joining inherited guilt to a desire no longer rightly ordered. Eastern Christian traditions have more often emphasized mortality and ancestral consequence than guilt passed on like a legal stain. The familiar English phrase can hide this difference within Christianity itself.
The movement from Jesus to Paul to Augustine shows how an answer acquires weight over time. The Sermon on the Mount calls people toward mercy, repentance, and trust in God without organizing that teaching around inherited Adamic guilt. Paul supplies the Adam–Christ comparison. Later theology builds a broader account of every human life from such passages, and institutions can make that account a condition of belonging.
The doctrine has carried more than one human meaning. It can express a grave recognition that no one begins morally untouched by a damaged world and that good intention alone does not make kindness easy. Joined to institutional power, language of inborn fault, shame, and confession can also become a means of control. Both possibilities belong to its history. Whether humanity is marked by Adam in this way remains a theological claim, not a finding available to laboratory measurement.
Words used here
Plain meanings for words on this page.
original sin
A later Christian teaching that the first human disobedience damaged the whole human condition—often heard as inherited guilt or a bent toward sin from birth. It is not a saying of Jesus in the Sermon on the Mount, and it is not identical with everything Paul wrote about Adam.
theology
The disciplined study and articulation of claims about God, the sacred, and ultimate reality within a religious tradition. Theology works from scripture, practice, and community. It does not hand you a single universal definition of “God.”
A little deeper
Theology and philosophy overlap, and they still do different jobs. A theologian may speak from within a tradition’s commitments; a philosopher may ask about first causes or being without accepting revelation. Both can use the word God and mean different things.
creature and creator
Language many traditions use for the relation between finite beings and what they call God—the made and the Maker, the dependent and the source. Difference can remain real in this language even when love is close.
A little deeper
Christian theology often preserves a real distinction between creature and creator even when speaking of love, indwelling, or union. Advaita Vedanta offers a different account: the deepest Self and ultimate reality are not fundamentally separate. Both can question isolation, but they do not mean the same thing by union.
Featured connections
Where Original sin meets other voices
Original sinJesus of Nazareth
contrast
Human brokenness in two Christian frames
Human wrongdoing is taken seriously in each frame, with hope placed in divine mercy and transformed life rather than moral self-sufficiency.
The teachings attributed to Jesus and the later doctrine of original sin both address lives in need of repentance, mercy, and grace. In the Sermon on the Mount, that need appears through anger, desire, retaliation, judgment, and damaged relations before God. Original-sin theology later gathers the human condition into an account of Adam’s transgression and its inheritance, especially in Augustine’s Western formulation.
Where they differ
Matthew’s Sermon does not explain wrongdoing through inherited guilt from Adam; that systematic account belongs to later Christian theology and should not be placed directly in the historical Jesus’ voice.
Original sinWatchers
contrast
Two diagnoses of a wounded world
Each places present moral suffering within a prior rupture whose consequences reach later generations.
The Watchers story and the doctrine of original sin both ask why human life begins inside a disorder no individual created. 1 Enoch looks to angelic descent, forbidden teaching, and violence; later Western Christian theology looks to Adam’s disobedience and an inherited human condition.
Where they differ
The Watchers account belongs to Second Temple Jewish apocalyptic literature and centers angelic transgression. Original sin is a later Christian doctrine, especially influential in Augustine’s Western formulation, centered on Adam and inherited damage or guilt.
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Paul
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Jesus of Nazareth
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Suffering
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Sources
What this reading rests on
Original Sin – Stanford Encyclopedia of Philosophy
encyclopedia
Scholarly orientation for the doctrine’s development, Augustine’s influence, and the range of later Christian accounts.
Romans 5
primary text
Paul’s Adam–Christ comparison is a primary source later theologians used, without itself containing the whole developed doctrine.
Matthew 5–7 (Sermon on the Mount)
primary text
Matthew’s presentation of Jesus’ ethical teaching provides the earlier counterpart: mercy and repentance without inherited Adamic guilt as its governing frame.