"He who beholds the Church really beholds Christ" says St Gregory of Nyssa; "Any soul, in cultivating its vineyard, cultivates that of his neighbour as well. The two are so closely united that no one can do good or evil to himself without doing good or evil to his neighbour at the same time. Together you form but one single, universal vineyard" (Saint Catherine of Siena). These are but two of the many many quotes of the patristic age and of the middle ages that De lubac cites and explains to lead us to an inner understanding of the mystery of catholic and orthodox christianity. The effects of subjectivisim and individualism, so prevalent in our culture, can affect us all in insidious ways. De lubac points to the deep mystical social nature of the ecclesia catholica. This is a treasure to be read and re-read with the wisdom of the centures at one's finger tips, so to speak. The one irritant is that some of the footnotes are in latin, which is a little off putting.