On taking up his work anew at Waldshut, Hübmaier almost from the first gave decisive proofs of his change of religious convictions. In a month after his return we find him in active communication with the Swiss reformers. He visited Zürich and conferred with Zwingli on various subjects, especially on the baptism of infants, of which he had been able to find no trace in the New Testament. From Zurich he went to St. Gall, and made the acquaintance of Joachim Watt, known as Vadianus. He had established for himself the reputation of an evangelical preacher, and was asked to preach. This he did several times, to the great pleasure and edification of the people. It was on his return to Waldshut that he seems to have made known his change of views and begun to introduce innovations.
It first becomes clear, however, that he has broken forever with the old faith from the part that he took in the second religious disputation at Zürich, held by order of the Government in the council hall, October 26-28, 1523. This discussion had been forced on Zwingli and the council by the more radical members of the reforming party at Zürich, who wished for an immediate and thorough-going