We help humans flourish in the age of AI by thinking positive-sum, growing deliberately, and seeking truth in good faith—together
Joined June 2023
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The person who disagrees with you might be your most valuable thinking partner. En garde!
#SparIntellectually
This will go down as one of the most consequential photos in human history.
Religion has officially taken a back seat to (or, merged with?) technology
This is why Third Brain exists. To help humans flourish in the age of AI as we face rapid changes to the social contract of what it means to be human
"‘Clear thinker’ is a better compliment than ‘smart.’" - @naval
Clear thinking is one of Third Brain's three pillars for living a fulfilling life in the age of AI
You were born with three brains.
Your brain's three layers are a blueprint for holistic health in life:
- Reptilian needs [Brain Stem & Cerebellum] = Physical Health (survival; ego, instincts)
- Mammalian needs [Limbic System] = Mental + Social Health (safety, belonging; emotions (self\others))
- Human needs [Neocortex, esp. Prefrontal Cortex] = Spiritual Health (meaning, self-actualization; logic, reason, temporal planning)
Master clear thinking → level up across the board.
These are laws of metaphysics.
Third Brain has discovered laws of metaphysics, which say that pursuing the three positive-sum pillars––clear thinking, personal growth, and objective truth––will lead to increasing happiness and life satisfaction over the long-run
Yes. Come SparkUp with us: bethirdbrain.com/sparkups
On the Elon x Trump fallout:
People need to break free from the binary, two-party mindset—it’s limiting our collective understanding of political dynamics.
There isn’t just left and right. There’s also a center, what @balajis calls the Grey Tribe. Progressives and liberals (who are often mistakenly lumped together) represent different strands of the left. The right has its own internal factions. And the center is increasingly distinct—defined less by ideology and more by an ethos of independence, pragmatism, and systems-level thinking.
Elon (and to a degree, RFK Jr.) didn’t align with Trump out of personal loyalty or shared identity. It was a strategic alliance—a temporary convergence of interests aimed at resisting what they perceived as the overreach of an increasingly illiberal establishment left, especially around issues like free speech and institutional capture.
To many locked in red-vs-blue thinking, this alliance seemed confusing or hypocritical. But that’s only because they’re using a mental map that no longer reflects the terrain.
Politics—and culture more broadly—isn’t a tug-of-war between two poles anymore. It’s a multidimensional arena. And in that space, alliances shift not because of betrayal, but because of evolving threats and shared priorities.
The real problem isn’t Elon or Trump or even the breakup—it’s the inability of many to model a world beyond binaries.
The moment demands better mental frameworks. Not just left vs right. Not even just a “middle.” But a dynamic third space—a tertiary mindset—that understands coalitions, strategy, and systems as fluid.
If you’re not thinking in threes, you’re not really seeing the game clearly.
Tertiary thinking is the new literacy.
And Third Brain is home for the nuance-seekers of the Grey Tribe.
"We really all do live together is a glass house and social media feels like a rock-throwing convention, but if we are to have any hope to figure this shit out and flourish, we need to listen to people we disagree with, to learn from them, with empathy and with intellectual humility.
Yes. Thru the @artofdialogos. This is the way 🛣️
Sam Harris criticizing me and Joe Rogan is silly.
Specifically him talking down to me and saying I shouldn't interview Putin or Trump is laughable.
I will talk with EVERYONE.
I assure you, I prepare more than 99% of journalists. There are many conversations I prepare for 100+ hours for, and that's not counting general background reading of related books.
I continue to respect and learn from Sam Harris, as I do with many smart people across the political spectrum. It's important we listen & learn from all good-faith, rigorous minds, and I believe Sam is one.
Let's try not dismiss people because they may have some blindspots. All of us have blindspots and biases. I know I do and I try hard to remove them gradually every day.
We really all do live together is a glass house and social media feels like a rock-throwing convention, but if we are to have any hope to figure this shit out and flourish, we need to listen to people we disagree with, to learn from them, with empathy and with intellectual humility.
To think more clearly and train your third brain, learn mental models. Especially mental models that help you think more positive-sum.