''On Nature and Grace'' () is an anti-

Pelagian Pelagianism is a Christian theological position that holds that the original sin did not taint human nature and that humans by divine grace have free will to achieve human perfection. Pelagius ( – AD), an ascetic and philosopher from t ...

book by Augustine of Hippo written in AD 415. It is a response to

Pelagius Pelagius (; c. 354–418) was a British theologian known for promoting a system of doctrines (termed Pelagianism by his opponents) which emphasized human choice in salvation and denied original sin. Pelagius and his followers abhorred the moral ...

's 414 book ''On Nature'' (). Before this work, Augustine did not seem to see Pelagius as a heretic, but ''On Nature and Grace'' seems to be a turning point in the

Pelagian controversy Pelagianism is a Christian theological position that holds that the original sin did not taint human nature and that humans by divine grace have free will to achieve human perfection. Pelagius ( – AD), an ascetic and philosopher from t ...

. The work does not mention Pelagius by name, but by responding to ''De natura'', Augustine for the first time engages Pelagius as an opponent.

References

Sources

* 5th-century books Works by Augustine of Hippo Pelagianism {{christianity-book-stub