Spock Couldn't Really Exist

"A mind all logic is like a knife all blade. It makes the hand bleed that uses it." — Rabindranath Tagore

We tell ourselves we reason our way to our choices. We don't. The feeling arrives first, and logic shows up afterward to make it look respectable.

I love Star Trek and one of my favorite characters is Spock. He's smart, weirdly funny and just about always right. OK, there are whole websites dedicated to the few times he made mistakes – Trekkies are a really motivated bunch (they once mailed NBC over a hundred thousand letters to save the show). And he's wrong more often than the show lets on: someone went back and scored every prediction he ever made, and the outcomes Spock calls "impossible" happen about 83% of the time.

Anyway I digress a bit too much about Mr. Spock… and by the way, if any of you don't know who Spock is or that he's half Vulcan and half human… well, you probably should ~~get lost because you're no fun~~ stop reading now.

One of the things about Spock (his Vulcan half) is that ~~as I'm sure you better damn well know or you wouldn't be reading now~~ being a Vulcan he represses emotion and observes the world logically. When a problem comes up like a universe destroying slug or something, he evaluates everything logically. You can trust him to see a picture clearly and therefore the answer will be correct, right?

Well I thought that too… as an engineer in my previous life that fits, right? Logic and science are going to get things right.... you'd think?

After spending the years after that observing people (10s of thousands of students, 100s of employees, and just a general batch of humans) I realized… WRONG!

There are 2 major issues that I see:

1. Logic – applied properly – results in multiple answers.
2. Logic usually isn't logic. It's emotion hidden in the façade of logic.

We tell ourselves we reason (logic) our way to our choices. We argue and fight and debate over our logical brilliance (and then wonder "why don't they accept the outstanding logical case I am making"). But that's not the way humans work. The feeling arrives first, and logic shows up afterward to make it look respectable.

"Insufficient facts always invite danger." — Spock (Star Trek: The Original Series, "Space Seed," 1967)

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Why doesn't logic settle it, even done right?

Even done correctly, logic does not settle a question, for two reasons, and both run on emotion. First, the premises you start from are chosen, usually by bias, and different premises yield different valid conclusions. Second, the steps in between are not binary; moving from one idea to the next is a nuanced, grey judgment, and the same person can infer differently on different days. At the premise and at every step, feeling steers the outcome.

Here is the first problem, and it actually has two halves. The first half is the one everybody can see. Logic is a machine that runs whatever you load into it. Load different premises and it hands back different answers, each one perfectly valid. Another word for this, from the old computer days, is Garbage In, Garbage Out (GIGO). And in real life you don't pick your premises cleanly. Your bias hands them to you, and then logic dutifully processes whatever it was given.

The second half is the one that isn't seen. Even when two people start from the exact same premise, the steps in between are not the clean, binary moves the word "logic" pretends they are. Getting from A to B to C to a conclusion is almost never a row of right-or-wrong switches. It's a chain of nuanced, grey judgments, and at every link there's a choice about which way to go. The same person can decide "A means B" on Monday and "A means H" on Thursday, and walk away from an identical starting point with a different answer. That's the idea of logic. In practice, at every fork, something has to choose the direction.

That something is almost always emotion. The premise you begin with and every grey step you take after it are steered, quietly, by what you already feel and want. The path looks airtight because each single move looks defensible on its own. The whole route was picked by feel.

Two people can both be flawless logicians and land on opposite sides, because the logic was never the real disagreement. The premises were, and so was every small grey step between them. Logic doesn't choose any of it for you. You do, usually with your gut, and then you run the result through the machine and call the output "reason."

Spock gets to skip all of this because the writers hand him the right premises and the right steps. You don't have writers.

"In critical moments, men sometimes see exactly what they wish to see." — Spock (Star Trek: The Original Series, "The Tholian Web," 1968)

What is the Justification Delusion?

The Justification Delusion is emotion-driven decision-making disguised as logic: the feeling comes first, and the mind manufactures a flattering, logical-sounding reason to justify it. The rationalization is the emotion in costume, wisdom or virtue worn over a wish. The way out borrows a cognitive-behavioral move, tracing the emotion back to the automatic thought beneath it and substituting a more accurate one so the feeling can recalibrate to the situation that is actually in front of you.

Here is the second problem, the bigger one. Most of what we call logic is a feeling. That's it. And our brains are really good at creating ideas and statements that we can use to justify the originating emotion.

I see this most clearly in a place you might not expect, a sales conversation. When a salesperson is afraid a prospect will say no, or the business owner isn't willing to take a risk, the brain almost never announces "I'm afraid!" out loud. It manufactures a more flattering explanation (why? It's protecting your self-esteem). In my book on excuses I call these the justifications we use to stay inside the anxiety, and they sound like this:

• "They probably can't afford it."
• "This area is just different."
• "I'm a family man, I take it personally."
• "The economy is rough right now."
• "The leads this month were weak."
• "They're just price shopping."
• "I didn't want to be pushy."
• "They'll come back when they're ready."
• "It's summer, nobody enrolls in summer."
• "The school down the street is cheaper."
• "I could tell they weren't really serious."
• "They said they need to think about it."
• "If they really wanted it they'd buy."

Every one sounds like empathy, or local wisdom, or virtue. Every one is anxiety in costume, a story invented to justify the feeling and dodge the hard moment. I mapped the whole pattern in my decision-anxiety framework: no prospect ever drove home and built an affordability spreadsheet, yet "they can't afford it" gets believed, because it soothes the person saying it.

Why do we keep doing it?

Rationalizing persists because it is socially rewarded, not punished. Everyone does it, so no one calls it out, and in most disagreements the loudest or most persistent rationalizer is treated as the winner. But winning, and even being right, is not the same as resolving anything: the relationship and the next decision often come out worse even when your logic wins. Reason, in Mercier and Sperber's account, evolved to win arguments, not to find the truth.

The reason this persists and we're not called out on it is that we all do it. It's socially acceptable behavior to rationalize. In fact, often the one who rationalized LOUDER or just happens to be smart enough to have more persistence often "wins" the argument – but did they really win? They got the other person to give in and accept defeat. Did this resolve anything? Was the goal to understand and come to a solution?

The honest answer is usually no, and it's worth seeing why. We chase two prizes in an argument, winning and being right, and both feel good the way winning feels good (and both sting when you lose). But right-or-wrong is rarely the thing that actually needed to happen. Resolution was. Did the relationship come out intact? Are we, at the end of it, in agreement about what we'll actually do next, or did the other person just go quiet to make it stop? You can win the argument, be provably right, and still resolve nothing, and walk away with a spouse or a partner or a staff member who trusts you a little less. "I won" and "we agreed on what to build" are not the same sentence.

This isn't a new idea, either. It's one of the most established findings in psychology, and the researchers are blunt about how motivated we are. Hugo Mercier and Dan Sperber argue that human reason didn't evolve to find truth at all, but to win arguments, which is exactly why the loudest, most persistent rationalizer so often "wins," and why we're so good at defending our own side and so useless at spotting its holes. Jonathan Haidt draws the same finding as a picture: we are emotional dogs whose reasoning is just the tail, the gut delivering the verdict first and the reasoning trotting behind to justify it. Ziva Kunda named the engine motivated reasoning: we recruit only the evidence that serves what we already wanted.

That is the Justification Delusion. You feel a pull toward a conclusion. Then, without noticing the switch, your mind stops looking for the truth and starts building the case for the verdict it already reached. It feels like thinking. It's closer to a lawyer writing closing arguments for a client who happens to be you. I named it in my book on excuses because once you see it you cannot unsee it.

Watch how the case gets built. The mind has a small set of favorite costumes, and they all point the same direction, which is wherever you were already leaning.

• "This isn't the right time." That's status quo bias, dressed as patience.
• "I've already put so much into this." That's the sunk cost fallacy, dressed as commitment.
• "I knew it. I wasn't wrong." That's confirmation bias, dressed as being right.
• "I tried once and it didn't work. I'm just bad at this." That's negativity bias, dressed as self-awareness.
• "It'll probably be fine, it usually is." That's optimism bias, dressed as confidence.
• "Everybody's doing it, so it can't be wrong." That's the bandwagon effect, dressed as common sense.
• "I saw it happen once, so it must be common." That's the availability heuristic, dressed as experience.
• "Their first number is probably about right." That's anchoring, dressed as a fair starting point.
• "It worked out, so it was the right call." That's outcome bias, dressed as good judgment.
• "An expert I like agrees with me." That's authority bias, dressed as doing your homework.
• "I'll easily have time for that later." That's the planning fallacy, dressed as optimism.
• "They're successful, so they're probably right about this too." That's the halo effect, dressed as respect.
• "It's more expensive, so it must be better." That's the price-quality heuristic, dressed as good taste.
• "It felt true the second I heard it." That's the affect heuristic, dressed as intuition.

Every one of those sentences feels like a conclusion you reasoned your way to. Every one is the same move the frightened salesperson makes: a feeling that hired a good writer.

Doesn't a pros-and-cons list fix this?

A pros-and-cons list does not fix motivated reasoning; it formalizes it. Because you decide beneath the surface which side you want to win, you list more items on that side and weight them heavier, producing a ledger balanced to a predetermined total. The list looks like logic but is really a tidy accounting of your own bias. It ratifies the decision you had already made rather than revealing a new one.

Here is the part that stings, because the pro-and-con list is everybody's proof that they're being rational. Two neat columns, weigh them out, let the better side win. Ben Franklin himself sold us on it, in an actual 1772 letter, calling it "moral algebra."

Sorry to disagree with a Founding Father but it doesn't work in real life, and the reason is obvious once you dig into it. You build both columns out of the same emotion. You decide, somewhere under the surface, which side you want to win. Then you list more items on that side, you weight them heavier, and the con column turns up mysteriously short on ammunition. The ledger looks like logic. It's a tidy accounting of your own bias, balanced to a total you picked before you started.

A pro-and-con list doesn't reveal your decision. It ratifies it.

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What actually separates thinking from justifying?

Justification validates a belief you already hold; gathering data tries to discover what is actually true, including what you would rather not see. The reliable tell is the question you ask. "What proves I'm right?" is justification. "What would prove me wrong?" is data. The first question feels better every time, which is exactly why it is the wrong one to trust when the stakes are real.

There is one distinction that pulls you out of the delusion, and it's worth more than any framework. It's the difference between justifying and gathering data.

Justification validates a belief you already hold. Gathering data tries to find out what is actually true, including the parts you would rather not see. One protects your ego. The other risks it.

It is in the question you ask. "What proves I'm right?" is justification. "What would prove me wrong?" is data. The first question feels better every single time, which is exactly why it's the wrong one to trust. You are not looking for comfort. You are looking for what is real.

This isn't only a boardroom problem. It runs through the whole of a life.

• A parent who lets the rule slide tells themselves they're being understanding. The feeling was that a fight sounded exhausting tonight.
• A person nursing a resentment builds an airtight case against the other party. The case was written after the verdict, not before.
• Somebody avoiding a hard conversation calls it "waiting for the right moment," for the fourth month running.
• A person who keeps overspending explains each purchase as an exception. Every exception is airtight. There are just a lot of them.
• A manager keeps a struggling hire another six months "after everything we've put into training them." That's the sunk cost fallacy, at home.
• A dieter restarts the exact plan that failed twice, certain "this time is different." That's optimism bias, at home.
• A shopper reads the five-star reviews and skips the one-stars before buying. That's confirmation bias, at home.
• Someone hears one local gym closed and decides "nobody sticks with fitness anymore." That's the availability heuristic, at home.

These are other versions of what's in the bias list above. None of these people are lying. From the inside, justification does not feel like self-deception. It feels like being right.

How do you decide like a human instead of a fantasy?

You do not suppress the emotion; you name it. Saying "I want this to be true" breaks the spell, because the delusion depends on mistaking a want for a conclusion. Then you gather disconfirming data, run a small test instead of a long argument, and let unwanted results count fully. Murray Bowen called the underlying skill differentiation of self: slowing down to think rather than reacting from the feeling in the moment.

You don't become Spock. That's the trap in the other direction, pretending you can amputate the feeling and run on cold reason. You can't, and the people who claim they have are usually the most rationalized of all.

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You do the opposite, and it's harder than it sounds. You let the feeling arrive and you name it out loud, which strips its disguise as a conclusion. That muscle has a clinical name. Dr. Murray Bowen called it differentiation of self: the ability to slow down and think instead of react from the feeling in the moment. It's the whole game.

There's a clinical tool for exactly this, the one I learned to use in individual therapy and teach in businesses: a five-column thought record. You write the event, then the automatic thought it fired off, then the emotion that followed. That chain is what's running you. Then you do the part that changes it. You write a more accurate thought to put in the automatic one's place, and you watch the emotion recalibrate. "They'll say no, I'm not good enough" becomes "their hesitation is about their risk, not my worth," and the panic that was about to drop the price lets go. The same move works on any decision: walk the feeling back to the thought that produced it, swap the thought for a truer one, and let the data, not the dread, set the emotion.

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Then you go get data anyway. You ask what would change your mind, and you actually go look for it. You run the small test instead of the long argument. You let a result you didn't want count as much as one you did.

And when the feeling is loud, you follow a rule we teach: less talk, less emotion. The longer you explain, the more elaborate the justification gets. Say the true thing plainly, look at what's real, and move. Even better, consider what we teach people in leadership positions (that's a boss, a CEO, a teacher, a parent, someone consulting with another person on a sale): "Show the emotion they need, not what they feel."

Here's a Steve Jobs story:

Steve used to give employees a little speech when they were promoted to Vice President at Apple… Lashinsky calls it the "Difference Between the Janitor and the Vice President." Jobs tells the VP that if the garbage in his office is not being emptied regularly for some reason, he would ask the janitor what the problem is. The janitor could reasonably respond by saying, "Well, the lock on the door was changed, and I couldn't get a key." It's an irritation for Jobs, but it's an understandable excuse for why the janitor couldn't do his job. As a janitor, he's allowed to have excuses. "When you're the janitor, reasons matter," Jobs tells newly minted VPs, according to Lashinsky. "Somewhere between the janitor and the CEO, reasons stop mattering," says Jobs, adding that the Rubicon is "crossed when you become a VP."

Ask it of yourself: on this decision, are you the janitor or the CEO?

Spock couldn't really exist (well yeah, besides it being science fiction), and now you know why. Logic alone hands you more than one answer, and most of what we call logic is a feeling in a delusion. But the honest version of Spock is available to any of us. Feel the pull, catch it in the act, name the want out loud, and then go find out whether it's actually true. "I may be right, but I may be wrong, let's talk." And when the argument is with another person, aim past being right and toward the only thing that lasts: a resolution you can both act on tomorrow (or resolve to not act, but resolve). That is the entire difference between running your life and being run by it.

What decision or argument have you been justifying instead of testing? What's the want under it? Then go get the data. Reply and tell me what you find, I read every one. And if you want a second set of eyes on a call you keep reasoning in circles on, book a working session and we'll separate the feeling from the facts together.

Educational and business coaching only, not psychotherapy.

References

Bowen, M. (1978). Family therapy in clinical practice. Jason Aronson. https://murraybowenarchives.org/books/family-therapy-in-clinical-practice/

Franklin, B. (1772, September 19). Letter to Joseph Priestley ["moral algebra"]. Founders Online, National Archives. https://founders.archives.gov/documents/Franklin/01-19-02-0200

Haidt, J. (2001). The emotional dog and its rational tail: A social intuitionist approach to moral judgment. Psychological Review, 108(4), 814–834. https://doi.org/10.1037/0033-295X.108.4.814

Kunda, Z. (1990). The case for motivated reasoning. Psychological Bulletin, 108(3), 480–498. https://doi.org/10.1037/0033-2909.108.3.480

Lashinsky, A. (2012). Inside Apple: How America's most admired—and secretive—company really works. Business Plus.

Mercier, H., & Sperber, D. (2011). Why do humans reason? Arguments for an argumentative theory. Behavioral and Brain Sciences, 34(2), 57–74. https://www.cambridge.org/core/journals/behavioral-and-brain-sciences/article/abs/why-do-humans-reason-arguments-for-an-argumentative-theory/53E3F3180014E80E8BE9FB7A2DD44049

Moody, G. (2025). Excuses: Building strong relationships by not using them!

Moody, G. (2026). The decision anxiety framework. today.mastermoody.com. https://today.mastermoody.com/decision-anxiety-framework-2026-04-29.html

Nickerson, R. S. (1998). Confirmation bias: A ubiquitous phenomenon in many guises. Review of General Psychology, 2(2), 175–220. https://doi.org/10.1037/1089-2680.2.2.175

Star Trek: The Original Series. (1967). Space Seed (Season 1, Episode 22) [TV series episode]. NBC.

Star Trek: The Original Series. (1968). The Tholian Web (Season 3, Episode 9) [TV series episode]. NBC.

Tagore, R. (1916). Stray birds. Macmillan.