One of the major controversies of Zoroastrianism is the belief and doctrine that is centered on the advent of the disciple.
 This approach is a fairly consistent feature among smaller new religious movements that often rely on doctrine that claims a unique revelation by the founders or leaders, and considers it a matter of faith that the "correct" religion has a monopoly on truth
 He suggests that beliefs have to be considered holistically, and that no belief exists in isolation in the mind of the believer

