When Does The Church Speak Infallibly? Or The Nature And Scope Of The Church�������s Teaching Office is a book written by Thomas Francis Knox in 1870. The book explores the concept of infallibility in the Catholic Church, specifically when the Church is considered to be speaking infallibly. Knox delves into the nature and scope of the Church's teaching office, examining the conditions under which the Church's teachings are considered to be infallible. He discusses the role of the Pope and the Magisterium in determining infallibility, and looks at historical examples of infallible teachings. The book is a comprehensive examination of the Catholic Church's teachings on infallibility, and provides valuable insights into this important aspect of Catholic theology.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.