Mehdi Mozaffari, What is Islamism? History and Definition of a Concept, in Totalitarian Movements and Political Religions, vol. 8, n. 1, Routledge, 2007, pp. 17-33, DOI:10.1080/14690760601121622.
«In fact, Iranian ‘Islamists’ of our day call themselves ‘Usul gara’, which literally means ‘fundamentalist’, but in a positive sense. It designates a ‘person of principles’ who is the ‘true Muslim’.»