 That same year he produced a small treatise, "The Last Age of the Church".In the light of the virulence of the plague that had subsided seven years previously, Wycliffe's studies led him to the opinion that the close of the 14th century would mark the end of the world.While other writers viewed the plague as God's judgment on sinful people, Wycliffe saw it as an indictment of an unworthy clergy.