Oldcastle Revolt religious beliefs were considerably influenced by Lollard cleric William Swynderby, who preached in Almeley during his youth. Lollardy was a politico-religious movement initiated by prominent theologian John Wycliffe in the 1370s during his service in the University of Oxford. Lollard beliefs were outlined in the 1395 The Twelve Conclusions of the Lollards, which dealt with their opposition to capital punishment, rejection of religious celibacy, and belief that members of the Clergy should be held accountable to civil laws. The Conclusions also rejected pilgrimages, ornamentation of churches, and religious images because these were said to take away from the true nature
John Wycliffe rather than in the "visible" Catholic Church. To Wycliffe, the Church was the totality of those who are predestined to blessedness. No one who is eternally lost has part in it. There is one universal Church, and outside of it there is no salvation. His first tracts and greater works of ecclesiastical-political content defended the privileges of the State. By 1379 in his "De ecclesia" ("On the Church"), Wycliffe clearly claimed the supremacy of the king over the priesthood. He rejected the concept of purgatory, and disapproved of clerical celibacy, pilgrimages, the selling of indulgences and praying to saints. So