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
Lollardy undertaken by Church and state which drove Lollardy underground. One such measure was the 1410 burning at the stake of John Badby, a layman and craftsman who refused to renounce his Lollardy. He was the first layman to suffer capital punishment in England for the crime of heresy. John Oldcastle, a close friend of Henry V of England and the basis for Falstaff in the Shakespearean history "Henry IV, Part 1", was brought to trial in 1413 after evidence of his Lollard beliefs was uncovered. Oldcastle escaped from the Tower of London and organized an insurrection, which included an attempted