that is, that I with you may be comforted in you, each of us by the other’s faith, both yours and mine.

That is to say, that all of us may be comforted together by the faith which is in you and in me.

τουτο δε ειναι, το να συμπαρηγορηθω μεταξυ σας δια της κοινης πιστεως υμων τε και εμου.

That is, that I may be comforted together with you by the mutual faith both of you and me.