We Think We Think: A Submarine Captain's Guide to How Our Minds Get Hijacked - and How to Take Them Back

The engine room was full of smoke, and the decision that flooded my diesel took me less than two seconds.

I had the best training the U.S. Navy offers. I had been warned — minutes earlier, by an inspector who had watched other captains make the same mistake. And I got it wrong anyway, because a slogan I had repeated a hundred times arrived in my head faster than a thought and felt exactly like judgment.

It wasn't judgment. I wasn't thinking. I was replaying.

That is the discovery at the center of this book: most of what we call thinking is recall. We think we think — and mostly, we don't.

Captain John Zimmerman spent twenty-nine years in the submarine force, including command of the fast attack submarine USS Jefferson City, where the cost of a lazy thought is measured in lives. After reading Daniel Kahneman's Thinking, Fast and Slow , he wrote to the Nobel laureate about applying the work to his own field, and got a reply. Months later he reached Kahneman by phone and asked the question that produced this book: what can we do to stop fast thinking?

Nothing, Kahneman told him. That's just the way our brains work.

The Navy gives the same answer about the sea. Nothing stops the ocean from trying to sink your ship — so you don't try to fix the ocean. You station lookouts. You put a second checker behind every valve. You build the checklist and run the drill until the response is instinct. We Think We Think is that discipline, turned on the space between your ears.

Inside:

Ignorance Bias — the master bias beneath all the others, and the answer to a question you have asked a hundred times: how can they be so stupid? Why can't they see what is obvious? They are not failing to understand the evidence. The package was never opened. And your brain is wired exactly the same way. Why the reflex that makes you mutter idiot at a green light is the same mental event that sent a man into a Washington pizza shop with a rifle. What USS Thresher teaches about competence breeding confidence — and why the Navy's answer was to stop trusting smart people to be right and start requiring them to prove it. How Salem, the Lost Cause, and the Big Lie all run on identical machinery. A three-step checklist — Understand, Prepare, Practice — built not for a classroom but for the argument at your kitchen table, the headline engineered to enrage you, and the ballot in your hand. Captain, I'm uncomfortable — the four words that saved a submarine, and the principle behind them: how you deliver a message decides which part of the listener's brain receives it. A warning about the contract.

This book will test you . Somewhere in these pages your tribe gets the hard question while the other tribe gets the easy story. Then they switch. The author goes first and goes hardest at himself: the slogan he chanted for two years while credentialed people warned of harm he was insulated from feeling; the story he filed away unread because of who was carrying it; the chapter he threw out after it failed his own test.

And it reaches conclusions. Thirteen chapters teaching you to weigh evidence would be dishonest if the author refused to weigh it himself. Near the end he renders a verdict on the hardest question of this moment, and shows every step of the work that produced it. You are free to reach a different one. You are not free to reach one for free.

Because the sea does not forgive, and neither does a republic.

For readers of Thinking, Fast and Slow , The Righteous Mind , and The Checklist Manifesto .