Most people do not perceive religious beliefs as changing very much over time. Religions, after all, are engaged in the propagation of eternal truths. While it is understandable that religious organizations may change, that process is perceived to occur only very slowly. Indeed, changes in beliefs are perceived to occur so slowly that adherents and leaders alike hardly notice.

Contrary to popular perceptions, both religious beliefs and religious organizations are dynamic, ever-changing phenomena. Changes in the beliefs and organizational structure of religions reflect adaptations, accommodations, and innovations to continuously changing cultural, political, and economic environments. Without more or less constant change, religions would become irrelevant to their environments, and would simply become defunct. Indeed, this has been the fate of many religions in the history of humankind.

Changes in both beliefs and organizational structure may occur as the result of actions taken by leaders empowered to...