Original sentence: Augustine of Hippo taught that original sin was transmitted through the concupiscence (roughly, lust) that accompanied sexual reproduction, weakening the will and making humanity a massa damnata (mass of perdition, condemned crowd).The doctrine of original sin was first developed in second-century Bishop of Lyon Irenaeus's struggle against Gnosticism
Edited sentence: Augustine of Hippo, founder of Original Sin, taught that original sin was transmitted through the concupiscence (roughly, lust) that accompanied sexual reproduction, weakening the will and making humanity a massa damnata (mass of perdition, condemned crowd)