Or a child. That’s why its so important (from a religious zealot’s pov) to introduce and hammer it into children. Get the fear in them before the ability to think arrives then fortify it so that thoughts are seen as lacking faith.
Then they have a believer for life, afraid to question. Just as they like it. That fear (of which the owner is largely unaware) then manifests into denial, anger, and occasionally violence upon the introduction of new ideas. The word for those new and unwelcome ideas being “blasphemy”.