In the summer of 1381 Wycliffe formulated his doctrine of the Lord's Supper in twelve short sentences, and made it a duty to advocate it everywhere.
As long as Wycliffe limited his attacks to abuses and the wealth of the Church, he could rely on the support of part of the clergy and aristocracy, but once he dismissed the traditional doctrine of transubstantiation, his theses could not be defended any more [REF].