The manifestation of the Spirit to the Son does not occur for enlightenment, implying ignorance, nor does it mean that the Father is Filling up anything lacking in the SOn, or Vice Versa:
The Manifestation spoken of does not occur on human terms and in a sequential manner:
We are using sequential terms to describe an ineffable moment of eternal NOW-ness.
Does the Son being Begotten imply a Time when he was not begotten? Does it not make him subordinate to the Father? Subordinationsim is the Soil in which Arianism arose, and is obviously wrong:
THerefore, trying to apply human relations to a non-human subject will inevitably lead to a misrepresentation of said subject, especially when the subject in question is GOD and transcends all other subjects.
Now, to describe the Roman Theology of the FIlioque as Human Relations imposed on a non-human subject is wrong. Love is a transcendental, for God is love and the Traditional latin theology of the Filioque is based on/in the mutual Love of Father and Son, a Fruitful Love that Gives Birth to the Single Spiration of the Spirit. (How alliterative).
To describe it otherwise is either complementary (i.e. through the Son) or Contradictory.
A little Slice of Roman triumphalism anyone? Or perhaps a nice side-dish of Aquinas?