What is spacetime?

Explain how Richard and Leslie use their spacetime to explore themselves?

What is the purpose of the advice they give to the younger versions of themselves?

What is Bach's view of religion and its effect on the world?

How do Richard and Leslie feel about the military and war? What effect does this have on the places they visit?

What do Richard and Leslie learn about themselves from their experiences in spacetime?

How does the metaphor of the showroom full of television sets explain the concept of alternate lives and choice? Explain.