adoption – Traditional Thomistic Catholic

The Mystical Body of Christ, Sanctifying Grace, and the Function and need for Sacraments Explained – book review “Of Sacraments and Sacrifice” by Clifford Howell, S.J. including the quoted explanation referred to above

Of all the things that have to be explained I am inclined to think that the most fundamental – that which comes logically first – is the idea of supernatural life, or sanctifying grace (to give it its other name). If this is understood, then “Mystical Body” doctrine becomes intelligible.