I believe in the Holy Spirit Author:Yves Congar "I Believe in the Holy Spirit" is a major treatise on the topic by one of the great theologians of the century. Yves Congar's book is one of the few comprehensive treatments of the Church's understanding of the Spirit and the working of the Spirit in the life of the Church by a Roman Catholic theologian, providing "indispensable resources for th... more »e development of a Spirit-sensitive theology" (Robert Imbelli).« less