While discussing it, Augustine claims, "By hearing is the symbol learned, and it is not written upon tablets or upon some other material, but in the heart."
The Archbishop of Ephesus, Mark Eugenicus, shocked the Western prelates at the Council of Florence when he claimed to have never heard of this text. While discussing it, Augustine claims, "By hearing is the symbol learned, and it is not written upon tablets or upon some other material, but in the heart." The phrase "descendit ad infernos" which appears in this text echoes Ephesians 4:9, and it also mentions the "communion of the saints," neither of which can be found in the Old Roman Symbol or the Nicene Creed. For 10 points, name this Creed of Christianity supposedly authored on the tenth day after Christ's ascension into heaven by its 12 namesakes. 
The Archbishop of Ephesus, Mark Eugenicus, shocked the Western prelates at the Council of Florence when he claimed to have never heard of this text.
{Apostles}' Creed [or {Symbolum Apostolicum}; prompt on “{Old Roman Symbol}” until read]