Unity is a meeting in truth and love, granted to us by the Spirit. Cyril and Methodius, in their personality and their work, are figures that awaken in all Christians a great “longing for union” and for unity between the two sister Churches of East and West.44 For full catholicity, every nation, every culture has its own part to play in the universal plan of salvation. Every particular tradition, every local Church must remain open and alert to the other Churches and traditions and, at the same time,