He said: Dad, you know we never really touch?

I said: What do you mean?

He said: We’re just clouds of atoms. What you feel as touching is just our clouds mixing up.

I said: Really?

He said: We are clouds living inside clouds. Our spirits are like magnets for the atoms.

Oh, I said.

And I thought: This 8 year old child has just told me more about the universe and the wonder of us than all the books I have ever read.