Truth: The theological differences are vast. Orthodoxy rejects the Filioque , the Immaculate Conception (as defined by Rome), Purgatory, indulgences, and Papal Infallibility. The entire mystical mindset is different.
The Orthodox Church traces its lineage directly to Pentecost (Acts 2). The apostles spread the Gospel across the Mediterranean, establishing Patriarchates in the five major centers of the ancient world: Rome, Constantinople, Alexandria, Antioch, and Jerusalem. For the first 1,000 years, these five sees were in communion, sharing the same faith. The Orthodox Church
The Orthodox Church traces its roots to the and the descent of the Holy Spirit at Pentecost. For the first millennium, it was part of a unified Christian world governed by five major centers—Rome, Constantinople, Alexandria, Antioch, and Jerusalem—known as the Pentarchy . Truth: The theological differences are vast