Following this, he began to preach repentance and faith, questioning the significance attached by Orthodoxy to the saints, icons and the sacraments, and emphasising the centrality of the Bible instead of the liturgy.
Eventually excommunicated and barred from addressing Orthodox congregations, he was lent an auditorium by an affiliate of the Anglican Mission to the Jews in Bucharest.
[5] At the request of government authorities, some of whom Popescu deeply impressed,[3][5] the new movement registered as an association in 1927 and, in order to be distinguished from other groups, took the name Christians of the Scriptures.
Shortly thereafter, churches opened in Ploiești, Câmpulung, Târgoviște, Rucăr, Buzău, Pitești, Bârlad, Brașov and other places.
[3][5] Bible readings and expositions, as well as prayers, are also featured, and services' spontaneity leads to considerable member participation, with individual churches enjoying strong autonomy.