 He took part in that on the descent into hell, also in the discussion concerning the Leipzig Interim and in that over the Adiaphora.More important was that over the Lord's Supper.In 1552 he published "Farrago confusanearum et inter se dissidentium opinionum de coena Domini, ex Sacramentariorum libris congesta", a warning against those who deny the presence of Christ in the Lord's Supper.