The theme of crossing a river, mentioned repeatedly in the article, and occurring in various religions and belief systems, reminds me of Jung's concept of the a

The theme of crossing a river, mentioned repeatedly in the article, and occurring in various religions and belief systems, reminds me of Jung's concept of the archetype - a universal pattern emerging out of what he called "the collective subconscious". Some brief searches indicate that Jungian psychologists seem to have studied the dreams of dying people.