It remains that we exhort you to continue your co-operation with the Apostolic See, because we have learnt that some remnants of the Eutychian and Nestorian error still linger amongst you. For the victory which Christ our Lord has vouchsafed to His Church, although it increases our confidence, does not yet entirely destroy our anxiety, nor is it granted us to sleep but to work on more calmly. Hence it is we wish to be assisted in this too by your watchful care, that you