Clear Thinking
EVERYTHING STARTS WITH HOW YOU THINK
EVERYTHING STARTS WITH HOW YOU THINK
EVERYTHING STARTS WITH HOW YOU THINK

Most people don't learn how to think — they learn what to think.
Third Brain gives you 12 positive-sum mental models to see the world more clearly, sharpen how you think, and make better choices.
These frameworks will help you to live happier by default with more abundance.
The Science
The Science
YOU WERE BORN WITH THREE BRAINS, NOT ONE
YOU WERE BORN WITH THREE BRAINS, NOT ONE
YOU WERE BORN WITH THREE BRAINS, NOT ONE
The Triune Brain Theory describes each brain as layered on top of each other through millions of years of evolution:
Your Reptilian Brain runs on survival instincts;
Your Mammalian Brain runs on emotions and social bonds;
Your Human Brain — the newest and most powerful — runs on logic, reason, and long-term thinking.
The problem is your older brains are faster and louder.
When you're stressed, angry, or afraid, your survival instincts and emotions (Reptilian + Mammalian Brains) hijack the steering wheel from your logic and reasoning (your Human Brain).
Most of life's problems — bad decisions, reactive arguments, short-term thinking, etc. — happen when your older brains are running the show without you realizing it.
Clear, positive-sum thinking is the answer, and it starts with learning to recognize when that's happening and then consciously activating your Human Brain to take back control of how you are thinking.
To do this effectively requires conscious effort and training.
The Triune Brain Theory describes each brain as layered on top of each other through millions of years of evolution:
Your Reptilian Brain runs on survival instincts;
Your Mammalian Brain runs on emotions and social bonds;
Your Human Brain — the newest and most powerful — runs on logic, reason, and long-term thinking.
The problem is your older brains are faster and louder.
When you're stressed, angry, or afraid, your survival instincts and emotions (Reptilian + Mammalian Brains) hijack the steering wheel from your logic and reasoning (your Human Brain).
Most of life's problems — bad decisions, reactive arguments, short-term thinking, etc. — happen when your older brains are running the show without you realizing it.
Clear, positive-sum thinking is the answer, and it starts with learning to recognize when that's happening and then consciously activating your Human Brain to take back control of how you are thinking.
To do this effectively requires conscious effort and training.
The Triune Brain Theory describes each brain as layered on top of each other through millions of years of evolution:
Your Reptilian Brain runs on survival instincts;
Your Mammalian Brain runs on emotions and social bonds;
Your Human Brain — the newest and most powerful — runs on logic, reason, and long-term thinking.
The problem is your older brains are faster and louder.
When you're stressed, angry, or afraid, your survival instincts and emotions (Reptilian + Mammalian Brains) hijack the steering wheel from your logic and reasoning (your Human Brain).
Most of life's problems — bad decisions, reactive arguments, short-term thinking, etc. — happen when your older brains are running the show without you realizing it.
Clear, positive-sum thinking is the answer, and it starts with learning to recognize when that's happening and then consciously activating your Human Brain to take back control of how you are thinking.
To do this effectively requires conscious effort and training.
GROWING THE PIE
12+ MENTAL MODELS FOR CLEAR THINKING
12+ MENTAL MODELS FOR CLEAR THINKING
12+ MENTAL MODELS FOR CLEAR THINKING
Each of Third Brain's positive-sum mental models help you see the world through a lens of abundance. Because when you think positive-sum, you make better decisions, build stronger relationships, and live a happier, more fulfilling life.
Each of Third Brain's positive-sum mental models help you see the world through a lens of abundance. Because when you think positive-sum, you make better decisions, build stronger relationships, and live a happier, more fulfilling life.



READY TO UPGRADE HOW YOU THINK?
IT'S TIME TO TRAIN YOUR THIRD BRAIN
IT'S TIME TO TRAIN YOUR THIRD BRAIN
IT'S TIME TO TRAIN YOUR THIRD BRAIN
Learn how to think positive-sum by default, with 12 foundational mental models for sustainably making better decisions and living a happier life

Diversity of Thought. Free Speech. Radical Candor.
Live positive-sum to thrive in the Era of the Soul





