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Leadership

Fight For Your Limitations And You Get To Keep Them

July 24, 20265 min read1,142 words

Richard Bach wrote one sentence in Illusions that has followed me for twenty years. Argue for your limitations, and sure enough, they're yours. I used to read it as a poetic line. I no longer do. It is a mechanical description of how ceilings get built, and I have watched myself and every founder I coach do it in real time.

The takeaways

  1. 01

    The defense is the mechanism. A limitation you argue for is a limitation you own, because the argument itself is what keeps the ceiling in shape.

    What to do nextCount the sentences you make in defense of your limits. Awareness alone lowers the number by more than half. For the next 24 hours.

  2. 02

    Smart people build the best cases for their own ceilings. Intelligence used defensively feels like being right, which is why it is the most expensive form of self-limitation.

    What to do nextPick the one argument you make most often about what you cannot do, and write down whether you are describing a fact or defending an identity.

  3. 03

    There is a difference between a real constraint and an identity you have built on top of it. "I have not trained for a marathon" is a fact about your calendar. "I'm not a runner" is a coffin you climbed into.

    What to do nextRewrite one of your "I am not the kind of person who" sentences as a calendar-level statement of what you are currently prioritizing instead.

  4. 04

    Most limitations lose about forty percent of their weight the moment you stop defending them out loud. The ceiling was being held up by rehearsal, not by reality.

    What to do nextRefuse to argue for one specific limitation. When challenged, answer only with "I will think about it" or "Say more about that." for the next 30 days.

The trap is not that you have limitations. Everyone does. The trap is that the moment you start defending one out loud, you sign a lease on it. The defense is the mechanism. Every explanation, every justification, every well-reasoned "here's why that doesn't apply to me" is a payment on a ceiling you did not have to keep.

That is why smart people are the worst at this. The higher your IQ, the better your case. You can build a legal-grade argument for why the diet won't work, why the market is different, why your team is uniquely hard, why the trip is not the right season, why the book has to wait. The case is airtight. Nobody can talk you out of it. You cannot talk yourself out of it either, and that is the problem I spent most of The Smartest Person In The Room writing about. Intelligence used defensively is the most expensive form of self-limitation, because it feels like being right.

The Tell

Here is how you know you are lawyering instead of describing.

Any sentence that starts with "I'm just not the kind of person who." You are not sharing information. You are pinning an identity in place so the behavior can never change.

Any sentence that starts with "I've tried that and it doesn't work for me." Usually this means one attempt, poorly resourced, before you had the identity that would have made it stick. The sentence is not a data point. It is a permission slip.

Any sentence that starts with "That's easy for you to say because." This one is the most seductive because it is often partly true. Other people do have unfair advantages. Naming those advantages does not lift your ceiling. It just re-anchors why you get to keep yours.

Any sentence that starts with "I would, but." The word "but" in that construction is where the case for the limitation lives. Watch the next twenty of your own sentences. If yours run at more than one or two per day, you are running a small law firm on your own behalf, and the client is your ceiling.

The Version Of Me That Made The Case Against Ironman

Before my first Ironman, I had a beautiful argument for why endurance sports were not for me. I had done well enough at short events in the Air Force. I was strong, not aerobic. My body "wasn't built for that kind of volume." I had a demanding job. I already trained. I ran the case honestly. It was internally consistent. Every sentence was defensible.

And every sentence was a payment. As long as I was making the case, the case was true. The moment I stopped defending it and started training as if the limitation was already gone, the ceiling moved. Twenty-four Ironmans later, and two of the Seven Summits, the interesting thing is not the number. It is that the version of me arguing against #1 was not wrong about the facts. He was wrong about the mechanism. He thought he was describing a limitation. He was building one.

The reason I hold that memory close is that I still catch new versions of the same reflex on other terrain. The lawyer never retires. He just picks a new case.

What This Is Not

This is not the fantasy that no constraints exist. Bodies age. Budgets end. Calendars fill. Physics does not negotiate. A 5'8" man is not going to the NBA no matter what identity language he uses. This post is not about pretending real constraints do not exist.

It is about the sentences you volunteer on top of the real constraints. Those sentences are the ones that quietly convert a current condition into an identity, and an identity into a permanent ceiling. "I can't run a marathon in six months" may be true. "I'm not a runner" is you climbing into the coffin and pulling the lid down from the inside.

The honest version of the same sentence keeps the door open. "I have not trained for one, and I am not currently prioritizing it." That is a fact about your calendar. It is not a fact about you. The difference sounds small. It is the whole game.

Stop Being The Lawyer For Your Own Ceiling

Here is the move, and it is smaller than most personal development advice.

For the next thirty days, do not argue for the limitation out loud. Not "work on it," not affirm the opposite, not journal about it. Just refuse to make the case. When someone hands you the opening ("you should try this," "why don't you..."), you have exactly two allowed responses. "I will think about it." Or, "Say more about that." Neither one signs the lease.

What you will notice, and this surprises everyone who runs the experiment, is that most limitations lose about forty percent of their weight the moment you stop being their lawyer. The limitation was not being held up by reality. It was being held up by rehearsal. You were the one keeping it in shape, one defensive sentence at a time.

The other thing you will notice is a small identity vacancy where the argument used to live. That vacancy is uncomfortable, and it is exactly the space I Am Statements and The Importance Of Unlearning are designed to fill. You do not need a heroic new belief on day one. You need to stop paying rent on the old one.

The Smallest True Sentence I Can Give You

Every limitation you defend is a limitation you own. Every limitation you stop defending starts, quietly, to check out. You do not have to prove anything. You do not have to become anyone. You just have to stop showing up in court on the wrong side of your own life.

Stop making the case. See what the ceiling does when you stop feeding it.

If this landed, these two go next, in this order.

  • The Importance Of Unlearning. Retiring the belief is the other half of the job. Once you stop defending the limitation, you still have to walk the old operating rule out the door.
  • I Am Statements. This is what you put in the identity vacancy the old argument used to occupy, so the ceiling does not quietly grow back.
“Every limitation you defend is a limitation you own.”

Sit with this

  • What limitation do you defend most often, and what specifically does it buy you to keep defending it?
  • Where are you describing a real constraint, and where are you renewing the lease on an identity?
  • Whose case are you actually making when you say "I've tried that and it doesn't work for me," the version of you from ten years ago, or the one who could try it now?
  • If you stopped arguing for one limitation for thirty days, what would show up in the space it used to occupy?

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About the author

Christian Espinosa · Founder & CEO, Blue Goat Cyber

I'm the founder and CEO of Blue Goat Cyber, a medical device cybersecurity firm where my team has supported 250+ FDA submissions with zero failing to clear on cybersecurity. I previously founded and sold Alpine Security. I host The Med Device Cyber Podcast and wrote The Smartest Person in the Room and The In-Between: Life in the Micro, with Medical Device Cybersecurity: An In-Depth Guide out in 2026. Air Force Academy grad, 24x Ironman, climber of two of the Seven Summits.

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