In a follow-up interview with bestselling author and Harvard professor Steven Pinker, he explains (among other things) what gave him the idea for Enlightenment Now—a book about why and how the world is getting better. “It was an epiphany from seeing graphs of human improvement that changed my view of the overall course of history: that progress is a demonstrable fact. It’s not a matter of seeing the glass half full. It’s not a matter of being an optimist. It’s a fact—that very few people know about.”
His below TED talk, based on Enlightenment Now, has been viewed almost three million times:
