On the Spirit and the Letter

On the Spirit and the Letter, written by Saint Augustine of Hippo in the early 5th century, addresses the relationship between divine grace and human ability to live without sin. Augustine responds to a query from Tribune Marcellinus regarding the possibility of a sinless life, arguing that while the law is good, it is insufficient without the Spirit's grace to empower moral action. This work is notable for its theological exploration of grace and its implications for Christian ethics.