His identity was unknown to the authorities of Basel, who had no suspicion of his heresies.
It must have been at this time that an addition was made by Waynflete to the Eton college statutes, compelling the fellows to forswear the heresies of John Wycliffe and Pecock.
The fifteen condemnatory clauses, prefacing the sentence at Geneva, set forth in detail that he was guilty of heresies, blasphemously expressed, against the foundation of the Christian religion.
The most important of these polemical treatises is the Refutation of all Heresies, which has come to be known by the inappropriate title of the Philosophumena.
In the very earliest centuries we find the episcopate, united in council,, drawing up symbols of faith, which every believer was bound to accept under pain of exclusion, condemning heresies, and casting out heretics.