In order to contextualize the question I add the following quote from the wikipedia article concerning Filioque clause: Filioque, Latin for "and (from) the Son", is a phrase found in the form of ...
John 10:30 (KJV) is often quoted to support the doctrine of the Trinity: 30 I and my Father are one. But during the great intercessory prayer, Christ asks God for his disciples to also be one ...
I understand that the Roman Catholic church direct some prayers to Mary, the mother of Jesus. For me it would be strange to address my prayers to anyone outside the Holy Trinity. Do Catholics pray to ...