>>> our base question: are all people spiritual or only some? If the latter, which are and which are not?
>
>Christians believe that all men have a spirit. So your question,
>"Are all people spiritual?" is like asking, "Are all people physical?" Yes in both cases.

Fair enough. Now just not to make it sound like you're evading the question, let's discuss the people's access to their own spirituality. How can people do that?