Apostles' Creed

35. What are the most important symbols of the faith?
193-195 

They are the Apostles' Creed which is the ancient baptismal symbol of the Church of Rome and theNicene-Constantinopolitan Creed which stems from the first two ecumenical Councils, that of Nicea (325 A.D.) and that of Constantinople (381 A.D.) and which even to this day are common to all the great Churches of the East and the West.