Human Nature's Four-Fold State

Human Nature's Four-Fold State
by Augustine of Hippo

Pre-Fall Humanity

able to sin; able not to sin
(posse peccare, posse non peccare)

Post-Fallen (i.e. Fallen) Humanity

not able not to sin
(non posse non peccare)

Regenerated (Reborn) Humanity

able not to sin
(posse non peccare)

Glorified Humanity

unable to sin
(non posse peccare)