The certainty of Christianity without popery, or, Whether the Catholick-Protestant or the papist have the surer faith : being an answer to one of the oft canted questions and challenges of the papists, sent to one who desired this : published to direct the unskilful, how to defend their faith against papists and infidels, but especially against the temptations of the Devil, that by saving their faith, they may save their holiness, their comfort and their souls /