> What does belief have to do with whether an idea can be communicated or not? It’s sufficient to be able to say the idea was XXX What does belief have to do w

> What does belief have to do with whether an idea can be communicated or not? It’s sufficient to be able to say the idea was XXX What does belief have to do with a religion dying out? Everything! Without writing, the greeks could get people to carry on their religion. With writing their religion died out. Clearly the spread of ideologies is not as simple as "writing spreads it and the absence of writing kills it."