sentences:  However, John himself was a learned follower of the mediating theologian George Cassander.He sought reconciliation between Rome and Wittenberg on the basis of the consensus of the first five centuries of Christianity.John approved the publication of the Lutheran "Swedish Church Order" of Archbishop Laurentius Petri in 1571 but also got the church to approve an addendum to the church order in 1575, "Nova ordinantia ecclesiastica" that displayed a return to patristic sources.