Grace
From the Catholic Encyclopedia
Explains the concept of actual grace, which is defined in the article as "a supernatural help of God for salutary acts granted in consideration of the merits of Christ."
Describes the nature and characteristics of sanctifying grace; also treats of "justification", which is the preparation for sanctifying grace.
Discusses the various grace-related controversies in history, with a focus on the heresies of the Reformers and the Jansenists. Outlines the various Catholic solutions -- including Thomism, Augustinianism, Molinism, Congruism, and Syncretism.
Presents one of the most sublime of mysteries -- the gracious divinization of man, which enables him to partake of the inner life of the Most Blessed Trinity.