"The truth of the matter is that the current conflict is but a manifestation of an ancient schism between East and West that has been tearing Christianity apart for 1,500 years."
http://www.karlremarks.com/2014/03/the-1500-year-old-schism-fuelling-clash.html
It seems farfetched to me, but my most extensive experience with Orthodoxy has been in Palestine, where sectarianism between Christians is pretty much non-existent.
-- "Hige sceal þe heardra, heorte þe cenre, mod sceal þe mare, þe ure mægen lytlað."