I would add that many of these teachings are also present in churches that are not Catholic or Orthodox but equally ancient -- the Armenian, the Coptic and Ethiopian churches for example.
"I would add that many of these teachings are also present in churches that are not Catholic or Orthodox but equally ancient -- the Armenian, the Coptic and Ethiopian churches for example."
Well, they really are part of the Church anyway, the Monophysite language misapprehensions to the contrary notwithstanding (although the Copts can get pretty huffy sometimes!).