Independentemente do tema principal, como é bom ver repetidamente escrito "Freud was wrong" e "The meaning of life might as well just be: neuroscience" (ou, em versão mais longa, "William James said there are these transcendental experiences that many people had, and he got that from a lot of interviews. And then various neuroscientists have been mapping out where transcendence happens in the brain. One of my favourite quotes about the book is from a doctor that I had asked to read the manuscript, who, when I said something like – you know, we're just talking about states of consciousness – he said, but the only way we have of experiencing states of consciousness is in the physical, which doesn't make them less real")