John Wycliffe and in his sermons, but also in a series of sharp tracts and polemical productions in Latin and English (of which those issued in his later years have been collected as "Polemical Writings"). In the 1380 "Objections to Friars", he calls monks the pests of society, enemies of religion, and patrons and promoters of every crime. He directed his strongest criticism against the friars, whose preaching he considered neither scriptural nor sincere, but motivated by "temporal gain". While others were content to seek the reform of particular errors and abuses, Wycliffe sought nothing less than the extinction of the institution
John Wycliffe into sin and that it ought therefore to give up all its property and that the clergy should live in complete poverty. The tendency of the high offices of state to be held by clerics was resented by many of the nobles. John of Gaunt, who had his own reasons for opposing the wealth and power of the clergy, possibly used a naive Wycliffe as his tool. Wycliffe was summoned before William Courtenay, Bishop of London, on 19 February 1377. The exact charges are not known, as the matter did not get as far as a definite examination. Lechler suggests