 The Old Testament notion of "the remnant" was one of the three images Karl Rahner used to set the parish into his larger vision of church in his 1956 essay "Theology of the Parish" and his 1961 book "The Episcopate and the Primacy", co-authored with then Cardinal Joseph Ratzinger (later Pope Benedict XVI).What was significant for Rahner in the concept of "the remnant" was the idea that the whole – the universal Church – could be present in the part – the parish