Similar works on the subject have been found in other books such as Memoirs of a Dervish: Sufis, Mystics and the Sixties by Robert Erwin. Majdeddin Ali Bagher Ne’matollahi has Said that Sufism is a core of being and bridge between religion and science.Dervishes and their Sufis practices are accepted by traditional Sunni Muslims but different groups such as Deobandis, Salafis disregard various practices of Dervishes as un-Islamic.