"The movement led by the preacher Fethullah Gülen is regarded as the fastest-growing religious trend within Turkish Islam. This accounts also for citizens and denizens with Turkish backgrounds in Western European countries, including Germany, where approximately 300 organisations close to Gülen operate 24 state-approved private schools and around 150 extracurricular tuition centres. Against the background of the diaspora, Gülen's philosophy of adopting modern knowledge, modes of action and attitudes, climbing the social ladder and thus making an effective contribution to social moral reform assumes a new dimension. For one thing, in contrast to Turkey, personal social advancement cannot be linked with the undertaking regarding the conquest ...