Before Chalcedon
Britain / Rome / Palestine
Condemned
Also: Pelagius
⭐ A reluctant heretic — Olson borrows the title of B. R. Rees's book (Pelagius: A Reluctant Heretic, 1988) for his judgment: Pelagius, he says, did not set out to preach a false gospel; he never really denied any doctrine or dogma of the Christian faith, and certainly never violated any doctrine that had been declared orthodox. ⚠ He and Augustine never met — when he passed through North Africa they could have met, but in fact did not; Augustine's actual opponent in North Africa was his disciple Coelestius.
Below: first his own position, then the church’s verdict — kept separate. A rejected opinion keeps equal weight here.
His own position
⭐ Read his motive first, or nothing here will make sense: arriving in Rome around 405, he saw many Christians living immoral lives and the church growing indifferent to purity and obedience. He looked for the cause, and was dismayed when he read that prayer in Augustine's Confessions — if people are already convinced that they cannot control themselves unless God gives grace, then living as they please can hardly be blamed. He was a Christian moralist, out to save the actual life of the church. His claim: we are born, in his words as Augustine quotes them from his On Free Will, “as without virtue, so also without vice”, with only the capacity for either (Augustine, On the Grace of Christ and on Original Sin, book 2, ch. 14). Original sin is not inherited — we are born into a world damaged by sin, and lean toward sin because of the bad examples of parents and peers. Olson calls this the incubator model: sin, he puts it, is a social disease, not a genetic one. Grace is necessary, but, as Olson summarizes Pelagius, it is partly a natural endowment of humanity and partly God's will revealed through the law. His counter-question, in Olson's rendering: if blameworthy sin is unavoidable, why should we be held responsible for sin? Olson sums up his attitude with Kant's maxim — ought implies can.
The church’s verdict
⚠ The verdict went back and forth, and must be read in full: in 415 the Synod of Diospolis in Palestine found him free of any suspicion of heresy; in 417 and 418 Rome condemned him (Pope Innocent condemned him; his successor Zosimus for a time supported him and Coelestius, and only later changed his mind); in 431 the Council of Ephesus condemned him — though he may by then have died, that is, he was condemned after his death. Augustine's side brought three charges: that he denied original sin, denied that grace is essential to salvation, and held that by free will a person can reach sinless perfection apart from grace. Olson judges that, as far as we know, all three charges had a basis in fact. ⚠ But he at once adds another layer: when Pelagius denied original sin, Olson says, what he denied was Augustine's idea of original sin; whether he denied the idea of original sin shared by the Eastern Orthodox is much less clear — and that is why Pelagius found some acceptance and shelter in the East.
What was at stake for salvation
If people cannot control themselves except by grace, then living as they please can hardly be blamed — what he was guarding was human responsibility for one's own actions. ⭐ Read him alongside Augustine: both sides were fighting for salvation, in opposite directions.
Principal works
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On Nature
Attacks Augustine's view and argues that a person can live without sin by means of natural endowment
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On Free Will
Where he writes that we are born “as without virtue, so also without vice”, with only the capacity for either (quoted by Augustine, On Original Sin, ch. 14)
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Commentary on the Epistles of Paul
Added by González; Erasmus once published it under Jerome's name
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Statement of Faith (Libellus fidei)
Written to Pope Innocent to win his support
Threads he belongs to
Grace and Free Will
Round 1 · The Pelagian Controversy Counterclaim ⚠ A reluctant heretic, as Olson calls him after B. R. Rees's book title — what he wanted to save was the actual life of the church. Read his motive first, and the whole thread makes sense.