November 23, 2025 · 4 min read

book business

The Edge of Reason

“What important truth do very few people agree with you on?”

Peter Thiel’s favorite parlor game directs that great companies are built on secrets. Buried treasures you must unearth and hide from the ignorant masses.

But the question is a distraction. Secrets aren't the primary driver of value. Great companies are built on visible truths that are undervalued.

A secret is a fragile, temporary advantage that often fails to capture value. True success comes from identifying an opportunity (often visible) that the market underestimates...an undervalued insight is far more defensible, repeatable, and rewarding than any errant secret. Pair this with a personal, execution-based advantage to exploit an opportunity everyone else sees but underestimates, and you've unlocked something far more valuable.

§Secrets are Fragile

A secret is useless on its own. Ideas have zero monetary value until they are paired with the machinery of execution.

Worse, secrets have a short half-life. Information travels fast. A "secret" lasts only seconds after you launch. If your only advantage is that competitors haven’t looked over the hedge yet, you are already dead.

Consider the crash of the Cleantech industry. Cleantech didn't fail for lack of a secret; everyone agreed we needed a cleaner planet. It failed because the idea was overvalued. Investors flocked to it, capital flooded in, and companies with no operational edge slaughtered one another.

Today, Cleantech is profitable again. Did the founders discover a new secret twenty years later? No. The data is the same, if not more clear. But the market sentiment shifted. Investors decided Cleantech was a bad business and exited. The idea became undervalued, and the competition vanished.

If you rely on a secret, you are fragile. You must spend your energy hiding. If a competitor steals your file, you are finished.

But if you rely on an undervalued truth, you are antifragile. Coca-Cola does not care if you have their formula. You cannot replicate their distribution network or their brand. That is an edge. And they are trying to grow it every minute.

Trading the "Secret" for the "Undervalued," helps you gain a superior shield. The key is to be dismissed, not invisible. You want competitors to look at you and think, "That market is too small," or "That will never work."

§Finding The Mispriced

There are few blank spots left on the map. Do not waste your time looking for places where brush hasn't met canvas. Look for the spots on the map labeled "Not Worth Visiting." Even better, look for "Here Be Dragons."

It wasn't a secret that people like status symbols. It was a mispriced insight that an electric car could be a luxury item rather than an eco-box. General Motors knew how to build electric cars. They just underappreciated the psychology of the buyer.

Sam Walton didn't invent the discount store. Jeff Bezos didn't invent the bookstore. There were no secrets. Anyone could walk into Walmart, measure the shelves, and interview the staff. The "secret" was visible to the naked eye.

Walton and Bezos won because they possessed an edge. They built logistics networks and cultures of customer obsession that competitors physically could not replicate.

§Creating the Edge

"I've thought about it [ the 1991 recession ]but I've chosen not to participate in it" - Sam Walton

Edges are earned from learned experiences, hard-fought lessons, and the peculiar makeup of a founder. The undervalued insight isn't valuable because someone found it. It is valuable because you found it. A strategy is only a winning strategy if it fits your specific capabilities.

Edges start personal. They end up systemic. Your job is to eventually take that peculiar personal advantage and codify it into the company's DNA so it survives without you.

Once you find an edge, move fast. The market operates in cycles. Ideas move from overvalued, to neutral, to undervalued, and back again. The pace of a cycle is impossible to predict, so press where you can.

You must expand so aggressively during the period of undervaluation that by the time the market catches up, you are impossible to catch. You aren't looking to uncover a conspiracy in the shadows. You are looking to execute on an ignored truth so effectively that when the lights finally come on, you are the only one left standing. Or, at least, the only one good enough to exit the cycle.

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Myles Marino

Partner at Third South Capital, where we cultivate, build, and buy software.

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