1 min read

“We enjoin upon you [my legates to the Council of Ephesus] the necessary task of guarding the authority of the Apostolic See. And if the instructions handed to you have to mention this and if you have to be present in the assembly, if it comes to controversy, it is not yours to join the fight but to judge of the opinions [on my behalf]” (Letters 17 [A.D. 431]).