qawe said:
If we can pray with non-Orthodox groups which self-identify as Christians using 'lowest common denominator' ecumenical prayer services, then why can't we pray with non-Christian groups (eg Jews, Muslims) using similarly reductionist services? In both cases, these groups are potentially outside the One, Only, Holy, Catholic, Apostolic Church, or at least not part of it in the fullest sense.
I'm interested in both EO and OO perspectives.
Tough question. I personally don't like the "lowest common denominator" approach, or ecumenism in general, but in our city we EO do pray often with Roman Catholics, and they with us, with the blessings of our respective clergy, who, I think, are striking a very good balance given the circumstances.
My son has been a member of the local RC cathedral boys' choir for about five years now, singing the Credo with Filioque and all. Our Archpriest was quite enthusiastic about this, knowing that our son would get a solid musical education that could serve well later in life: "Oh, yes, we need more singers for our choirs!"
There is a senior nun of the Congregatio Jesu (basically a female Jesuit) who sings the Liturgy with us in our church. I assume she does this with the blessing of her (and our) bishop and/or her abbess. For all I know, she could
be the abbess. She wears ordinary clothes, which as I understand it Jesuits are authorized to do. She says she has been singing Byzantine Rite RC services for years, and I suspect that she would convert to Orthodoxy in a flash were she not so invested in the RC Church.
Every year we serve a moleben to Saint Afra (her tomb, which is in the crypt of an RC basilica, is pictured here to the left) every year, and last time an RC priest participated, not co-celebrating with our priest so to speak, but he was standing and as far as I could tell praying with us.
When I visit St. Afra, if there is a Mass being celebrated I will pray and sing along, but I do leave out the Filioque and prayers to St. Ulrich, who is not an Orthodox saint.
Sharing the Eucharist is right out, except in a dire emergency. Other than that, none of these services are watered down or lowest common denominator in any way.
As I understand it, the main issues here are the "purity" of our practice, and how solid the particular person's grounding in Orthodoxy (or Roman Catholicsm) is, to avoid what the RCs call indifferentism.
The former doesn't particularly bother me, and I am happy to leave it to our clergy. As to indifferentism, I don't think any of the people I've mentioned here are in much danger of that, or at least I hope not.
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As to the particular circumstances here, among other things the scars of the 30 Years' War and World War II are literally still visible in some of the buildings and terrain, so maybe we have even more reason to get along with each other.
There's a lot more I could say about this topic, but it's past time to peel some potatoes.