||It has been suggested that this article be merged into Catechism. (Discuss) Proposed since December 2011.|
Ignorantia Sacerdotum are the first words and the better-known title of De Informatione Simplicium, a catechetical manual drafted by Archbishop Pecham's provincial Council of Lambeth in 1281. It called for the memorisation of the Apostle's Creed, the Ten Commandments, and the two-fold injunction to "love the Lord thy God with all thy heart... and thy neighbour as thyself."
Duffy, Eamon. The Stripping of the Altars: Traditional Religion in England 1400-1580. New Haven: Yale University Press, 1992. 55, 6.