Uploaded October 2025 | Updated September 2026, 20 hours ago
As promised, today on the Next Big Idea podcast, host Rufus Griscom is bringing you a full-length interview with Steven Pinker about his new book, 'When Everyone Knows That Everyone Knows . . .: Common Knowledge and the Mysteries of Money, Power, and Everyday Life.'
What is common knowledge? For Steve, it is not conventional wisdom. Instead, it’s when everyone knows something and everyone knows that and everyone knows it. That may sound loopy, but the implications of common knowledge — how it’s produced, sustained, and manipulated — are profound.
“It's common knowledge,” Steve tells Rufus, “that makes humans human. Humans are not solitary. What makes humans humans is that we coordinate in groups — from couples to nations to, in some cases, the entire world — and I think common knowledge is the underpinning, the cement, the foundation of that ability to coordinate.”
'When Everyone Knows That Everyone Knows . . .: Common Knowledge and the Mysteries of Money, Power, and Everyday Life.' is available on Amazon: geni.us/3Hjvf
Next Big Idea podcast: pod.link/nextbigidea
Key Moments:
- 04:13 📖 Pinker’s new book centers on “common knowledge,” the shared awareness that shapes social life.
- 07:10 🧩 Distinguishing everyday vs. technical common knowledge shows how mutual awareness enables large-scale cooperation.
- 14:11 😳 Blushing and laughter are involuntary signals that spread common knowledge and level social hierarchies.
- 21:13 ⚖️ Relationship tensions and “rational hypocrisy” reveal how polite white lies preserve harmony and avoid awkward truths.
- 30:35 📺 Super Bowl ads thrive by making millions simultaneously aware of a product—crucial for network-effect adoption.
- 34:39 🚫 Cancel culture’s petitions and pile-ons police norms and warn scholars against heterodox views.
- 43:14 📰 Media’s negativity bias hides data-based progress (e.g., declining war deaths), fueling undue pessimism.
- 45:53 🌱 Recognizing progress shouldn’t eclipse suffering; evidence of gains should spur, not stall, reform.
- 46:23 🎓 Academia now faces threats from both woke activists and political interference, endangering research freedom.
- 48:51 📜 Trump’s norm-shattering rhetoric—insults, lies, public ridicule—erodes civil discourse vital for problem-solving.
- 50:28 🌍 Informal norms respecting borders and sovereignty curb war; undermining them risks renewed territorial conflicts.
- 54:08 🤝 Common knowledge is the glue of human collaboration, underpinning achievements from friendships to global action.
***
📩 Transform your day in 10 minutes. Enjoy daily, bite‑sized insights from breakthrough nonfiction books—audio or text—straight from the authors. Trusted by 90K+ learners, our editors choose only the books that matter.
🔗 bookoftheday.nextbigideaclub.com
💡Discover the books that matter with the Next Big Idea Club. Curated by Adam Grant, Malcolm Gladwell, Susan Cain, and Daniel Pink. Beyond just reading, the Next Big Idea Club is a journey. It’s where thought leaders converge, where ideas transform into action, and where books become a gateway to a brighter future.
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OUR CURATORS
💡 Malcolm Gladwell: Renowned journalist, author, and speaker.
💡 Susan Cain: TED speaker, introvert advocate, bestselling author.
💡 Adam Grant: Noted psychologist, author, and Wharton School professor.
💡 Daniel Pink: Expert author on business, work, and behavior.
If you enjoy the content on our official YouTube channel, please like, subscribe, and thank you for watching!
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As promised, today on the Next Big Idea podcast, host Rufus Griscom is bringing you a full-length interview with Steven Pinker about his new book, 'When Everyone Knows That Everyone Knows . . .: Common Knowledge and the Mysteries of Money, Power, and Everyday Life.'
What is common knowledge? For Steve, it is not conventional wisdom. Instead, it’s when everyone knows something and everyone knows that and everyone knows it. That may sound loopy, but the implications of common knowledge — how it’s produced, sustained, and manipulated — are profound.
“It's common knowledge,” Steve tells Rufus, “that makes humans human. Humans are not solitary. What makes humans humans is that we coordinate in groups — from couples to nations to, in some cases, the entire world — and I think common knowledge is the underpinning, the cement, the foundation of that ability to coordinate.”
'When Everyone Knows That Everyone Knows . . .: Common Knowledge and the Mysteries of Money, Power, and Everyday Life.' is available on Amazon: geni.us/3Hjvf
Next Big Idea podcast: pod.link/nextbigidea
Key Moments:
- 04:13 📖 Pinker’s new book centers on “common knowledge,” the shared awareness that shapes social life.
- 07:10 🧩 Distinguishing everyday vs. technical common knowledge shows how mutual awareness enables large-scale cooperation.
- 14:11 😳 Blushing and laughter are involuntary signals that spread common knowledge and level social hierarchies.
- 21:13 ⚖️ Relationship tensions and “rational hypocrisy” reveal how polite white lies preserve harmony and avoid awkward truths.
- 30:35 📺 Super Bowl ads thrive by making millions simultaneously aware of a product—crucial for network-effect adoption.
- 34:39 🚫 Cancel culture’s petitions and pile-ons police norms and warn scholars against heterodox views.
- 43:14 📰 Media’s negativity bias hides data-based progress (e.g., declining war deaths), fueling undue pessimism.
- 45:53 🌱 Recognizing progress shouldn’t eclipse suffering; evidence of gains should spur, not stall, reform.
- 46:23 🎓 Academia now faces threats from both woke activists and political interference, endangering research freedom.
- 48:51 📜 Trump’s norm-shattering rhetoric—insults, lies, public ridicule—erodes civil discourse vital for problem-solving.
- 50:28 🌍 Informal norms respecting borders and sovereignty curb war; undermining them risks renewed territorial conflicts.
- 54:08 🤝 Common knowledge is the glue of human collaboration, underpinning achievements from friendships to global action.
***
📩 Transform your day in 10 minutes. Enjoy daily, bite‑sized insights from breakthrough nonfiction books—audio or text—straight from the authors. Trusted by 90K+ learners, our editors choose only the books that matter.
🔗 bookoftheday.nextbigideaclub.com
💡Discover the books that matter with the Next Big Idea Club. Curated by Adam Grant, Malcolm Gladwell, Susan Cain, and Daniel Pink. Beyond just reading, the Next Big Idea Club is a journey. It’s where thought leaders converge, where ideas transform into action, and where books become a gateway to a brighter future.
JOIN US
nextbigideaclub.com
FIND YOUR NEXT READ – Listen to thousands of audio insights (by the authors) in the Next Big Idea App
Apple App Store: apps.apple.com/us/app/next-big-idea-books-in-15min/id1502959151
Google Play: play.google.com/store/apps/details?id=com.heleo.nbic
OUR CURATORS
💡 Malcolm Gladwell: Renowned journalist, author, and speaker.
💡 Susan Cain: TED speaker, introvert advocate, bestselling author.
💡 Adam Grant: Noted psychologist, author, and Wharton School professor.
💡 Daniel Pink: Expert author on business, work, and behavior.
If you enjoy the content on our official YouTube channel, please like, subscribe, and thank you for watching!
CONNECT WITH US
Next Big Idea Podcast: pod.link/nextbigidea
LinkedIn: linkedin.com/company/10026818
Twitter: twitter.com/nextbigideaclub
Instagram: instagram.com/nextbigideaclub
Facebook: facebook.com/nextbigideaclub
Contact: info@nextbigideaclub.com
Subscribe for more insights:
youtube.com/NextBigIdeaClub?sub_confirmation=1
#NextBigIdeaClub
