"He was condemned to death for telling the ancient Greeks things they didn't want to hear, but his views on consumerism and trial by media are just as relevant today."

On the "cognitive surplus" we're going through, and how interesting and valuable all this new engagement and experimentation with technology is.

"Throw down a challenge." The articles bullet-points the book's suggested tactics.

"These are things I find abandoned in books or stuffed on the book cart at the jail where I volunteer."