Far from being opposed, theology and mysticism support and complete each other. One is impossible without the other. If the mystical experience is a personal working out of the content of the common faith, theology is an expression, for the profit of all, of that which can be experienced by everyone. Outside of the truth kept by the whole Church personal experience would be deprived of all certainty, of all objectivity. On the other hand, the teaching of the Church would have no hold on souls if it did not in some degree express an inner experience of truth, granted in different measure to each one of the faithful.
Mysticism is accordingly theology par excellence.
The one Holy, Catholic, Apostolic Church, the Orthodox Church of God, is the universal Church, she should not be limited in the mind of any body in the Church by any particular type of culture, by the legacy of any one civilization. Orthodoxy recognizes no visible supreme, infallible head of the Church. The unity of the Church expresses itself through the communion of the Faith decreed by the Ecumenical Councils recognized by All, prevailing in All places, at ALL times. Nothing that is mutable is Catholic. The catholicity of the Church is not the privilege of any one see or specific culture.