The Long Earth is bountiful but not forgiving.

Authority. The antithesis of science.

A citizen of the Roman Empire, for example, would have placed less value on individual liberty in the modern Western sense than on collective responsibility.

We do teach our kids the golden rule - Do as you would be done by.

Imagine God inside your computer, your phone, everyone else's computer. Imagine someone who almost is the Black Corporation, with all its power and riches and reach. And who, despite all this, seems pretty sane and beneficent by the standards of most gods. Oh, and who sometimes swears in Tibetan.

When you get close enough to someone you're never really alone again.

When you realize that you are an eternal being, you will laugh at things that used to give you anxiety attacks.