I had not watched that one.
I just watched it but I skipped ahead to the part about this thread topic.
It looks like that book was a compilation of his readings and thoughts. Then he goes in to house for his "study".
After that he gets a life, a new wife and tons of cool looking friends. He gets to wear his beads out in field service with no suit coat and is a pioneer. There is a shot showing him closing that book this thread is about and walking away from it.
Like he doesnt need it anymore because he got a new life.
So I dont see that there is anything mysterious here?
What am I missing?