 James caused Vorstius's book to be burned in London, Oxford, and Cambridge, and informed the States-General, through his ambassador Ralph Winwood, that he would consider them his enemies if they tolerated the presence of such a heretic.Winwood made a long speech entirely based on the Contra-Remonstrant tenet that the appointment of Vorstius was not just a political matter but one of religion as well.He stated that since some cities, such as Holland, were against the appointment to move forward on it threatened the unity of the Provinces.