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 influential part. From 1380 onwards, Wycliffe devoted himself to writings that argued his rejection of transubstantiation, and strongly criticised the friars who supported it. John Wycliffe had come to regard the scriptures as the only reliable guide to the truth about God, and maintained that all Christians should rely on the Bible rather than on the teachings of popes and clerics. He said that there was no scriptural justification for the papacy. Theologically, his preaching expressed a strong belief in predestination that enabled him to declare an "invisible church of the elect", made up of those predestined to be saved,