In the years before his death in 1384 he increasingly argued for Scriptures as the authoritative centre of Christianity, that the claims of the papacy were unhistorical, that monasticism was irredeemably corrupt, and that the moral unworthiness of priests invalidated their office and sacraments [REF].
Wycliffe returned to Lutterworth, and sent out tracts against the monks and Urban VI, since the latter, contrary to Wycliffe's hopes, had not turned out to be a reforming pope.