415
Latin
On Nature and Grace
Augustine of Hippo · 354–430
A line-by-line answer to Pelagius's On Nature, conceding that human nature was created good and insisting that it is now wounded and cannot heal itself.
Western · Polemic
401–500
The Fifth Century
1 work
1101–1200
The Twelfth Century
1 work
c. 1138–1139
Latin
Know Thyself
Scito Te Ipsum
Peter Abelard · 1079–1142
An argument that sin lies in consent rather than in the deed or even the desire, so that those who crucified Christ without knowing who he was did not sin in doing it.
Scholastic · Ethics
1401–1500
The Fifteenth Century
1 work
1402
Latin
On the Spiritual Life of the Soul
Jean Gerson · 1363–1429
Lectures on what makes an act sinful, on the binding force of human law, and on when a Christian's conscience may resist an ecclesiastical command.
Western · Theology
1601–1700
The Seventeenth Century
1 work
1656
English
Of the Mortification of Sin in Believers
John Owen · 1616–1683
An analysis of indwelling sin and its remedies, containing the instruction that a believer must be killing sin or it will be killing him.
Reformed · DevotionalRomans