Religious groups often stick to their dogma without allowing any questioning.

dogma 来自希腊语，原意是"观点、信念"，在宗教语境中指"教条、信条"，即宗教团体所坚持的、不容质疑的基本信仰和原则。这个词带有"不容更改、必须严格遵守"的意味。