Middle Ages: Some Catholic leaders, upset that the laity were preaching what the Bible teaches rather than Catholic dogma, branded as heretics any laymen who possessed Bible books other than the Psalms in Latin.
لذلك امر احد المجامع الكنسية اتباعه « ان يبحثوا بجد ودأب عن الهراطقة .‏ .‏ .‏