Orthodoxy traces its roots back to the original teachings of Christ during His days on earth. It is the One Holy, Catholic an Apostolic Church spoken of the Nicene Creed, the Symbol of Faith.
The Holy Scriptures and Sacred Tradition are the equal and complimentary sources of doctrine for the church. The Holy Spirit is the authentic and infallible interacts as the vigilant guardian of the Christian Truths, the "Orthodox" or right belief as taught by Jesus Christ and propagated by the Apostles, martyrs and Christian faithful. In the Orthodox Church, called "the Mother of Churches", the Apostolic Faith is preserved through Apostolic Succession.