(See my prefatory piece
here, and please note my comment in that combox about using "Ware" vice Bishop Kallistos without any intended disrespect.)
A Catholic suggested to me that the true dispute between Orthodoxy and Catholicism is not the
filioque clause or original sin/guilt, but rather the primacy of the Roman See. I give full credit to this view, but feel better about leading up to that topic rather than working down from it.
Ware discusses the Orthodox view of the Trinity in Chapter 11 (page 208 of the 2nd edition). Part of the beauty of Ware's book is manifest in this section: he presents the spectrum of views within Eastern Orthodoxy, and ably compares this to Western Catholic and Protestant beliefs.
Trinitarian doctrine makes my head spin; I fear I will badly oversimplify the profound. It takes only the slightest mishandling of words on this topic to throw off the balance. I will be cautious and, Lord willing, may be able to give you a flavor of how Ware sets out the trinitarian 'landscape'. Please remember that mine is only a layman's
summary.
The Orthodox make use of the 'apophatic' and 'cataphatic' expository methods. By the former, they describe a doctrine in negative terms (e.g., Jesus was not made), and by the latter, they describe it in affirmative terms (e.g., Jesus was begotten). With trinitarian doctrine, negative language is essential to balance a positive description of the relationship within the Godhead.
Ware begins with this:
God is transcendent over His creation, and nothing of the created order will ever have the slightest communion with the supreme nature.
But God is not cut off from His creation. Rather, He is within it. Here the Orthodox employ a distinction between God's
essence and His
energies. His essence remains unapproachable, but
His energies come down to us. [I note, as an aside, that this distinction sounds Scholastic. Ware is elsewhere highly critical of Western subjugation to Scholasticism.]
God is
not a single person, but a Trinity of persons, each of whom dwells in the other two by virtue of a perpetual movement of love. While united, God is not a unity.
"
Procession" is where it gets tricky. There is a distinction between the
eternal procession of the Son, and His
temporal mission. So the
filioque dispute is not over the outward action of the Trinity toward creation (i.e., the temporal mission), but about the
eternal relations within the Godhead. In terms of the sending of the Holy Spirit to His temporal mission, East and West are in accord. But in terms of eternal procession, we are not. The Orthodox point to John 15:26 as a proof-text ("But when the Helper comes, whom I will send to you from the Father, the Spirit of truth, who proceeds from the Father, he will bear witness about me." (ESV)).
The
Father is the origin and cause of the Godhead [this is where my head swims, where we say that the Father 'caused' the other Persons of the Godhead, but that he did not 'make' or 'create' them...]. The
'hawk' Orthodox view says that to see Jesus as a
mutual cause of the Holy Spirit is heresy as it
imbalances the Trinity, leading either to ditheism or semi-Sabellianism (i.e., modalism). Under this imbalance, either there were two separate 'causes' of the Holy Spirit (leading to ditheism), or the persons of Father and Son are dangerously blurred when acting together as one 'cause'. This latter view, by confusing the Persons, destroys their uniqueness and hampers the 'monarchy' role that is ascribable to the Father alone.
Therefore, in the West the principle of
unity within the Godhead flows from their
shared essence and not from the person of the Father. The West has come to understand the persons of the Godhead
not in terms of their personal characteristics, but in terms of the relationships within. This makes God remote and abstract, not the personal God of Abraham, Isaac, and Jacob. As the West wrongly stressed
unity over diversity in its characterization of the Godhead, so it
came to wrongly stress unity over diversity in its view of the Church.
Ware is careful to cabin how far this 'hawk' view should be taken, and he optimistically describes the
'dove' view, a view which holds much greater ecumenical hope. The 'doves' say that a critique of the Western doctrine is only effective when pushing Western views to the extreme. They note that if Orthodox views are likewise taken to the extreme, they could be seen as leading to Tritheism.
My thoughts? I must admit that the notion of
eternal procession was foreign to me. I understood the
filioque dispute to be about the transmission of the Holy Spirit to the created order, and, in that light, did not understand Orthodox objections to the Western view. I better understand their sensitivity now. However, my 'tritheism' feathers were ruffled as I read through this description of Orthodox teaching. It is hard to digest their
sharp distinction between the Son and the Holy Spirit, and indeed between the Son and the Father.
I was also surprised by how hurriedly my Protestant views grabbed for the lifelines of Catholic theology. Especially in light of trinitarian doctrine,
Protestantism is truly Western; our stomach is filled with
Western tradition before we even come to the table of the Holy Scriptures to feed on the Word.
Finally, this is truly, absolutely, and certainly an issue of far greater
complexity and
importance than a layman can deduce from his reading of Scriptures. If I had to write a dissertation on the Trinity with nothing for source material but my Bible, what would my conclusion look like? I would not even come close to the refined nature of the East/West dispute. This is an issue for the Church to settle, and not for the individual.