The text of the instruction is given in translation and is discussed in a series of chapters on, for instance, its effect on the from of the Mass, on the Divine Office, or on the building of churches. Father Crichton sets out clear up the misconception that “we have to do with nothing more than certain tiresome changes which will upset the habits of a lifetime for no very good reason… The only remedy for this is a widespread campaign to make the theology and principles of liturgy known”.