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Sales Mastery is Not a Tactic: It Requires Decision, Persistence and the Power of the Mastermind PART 3 Think and Grow Rich for Sales

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Episode 383 applies Napoleon Hill’s timeless principles to sales, showing how decision, persistence, and the mastermind turn inner preparation into consistent results.

Learn practical, neuroscience-backed actions to make clear decisions, sustain effort through resistance, and multiply success by aligning with the right people.

Welcome back to Season 15 of The Neuroscience Meets Social and Emotional Learning Podcast — where we bridge the science behind social and emotional learning, emotional intelligence, and practical neuroscience to create measurable improvements in well-being, achievement, productivity, and results.

I’m Andrea Samadi.

And seven years ago, when we launched this podcast, it was driven by a question I had never been taught to ask — either in school, in business, or in life:

If productivity and results matter — and they matter now more than ever — how exactly are we using our brain to make them happen?

Most of us were never taught how to work with our brain instead of against it. We were taught what to do — but not how to think, decide, persist, or align with others in ways that produce consistent results.

That question pulled me into a decade-long exploration of the mind–brain–results connection — and how neuroscience can be applied to everyday decisions, conversations, and performance.

That’s why this podcast exists.

Each week, I bring you the world’s leading experts so we can break down complex science — and turn it into practical strategies you can apply immediately for predictable, science-backed outcomes.

And that brings us to today’s Episode 383 — where we are going back to reconnect to a powerful 6-part series we originally recorded in 2022 around a book that has shaped achievement for generations: Think and Grow Rich by Napoleon Hill.

Connecting Back to Our 6-Part Think and Grow Rich Series[i]

We used that book as a framework to launch our year, back in 2022, walking chapter by chapter through the principles my mentor, Bob Proctor, studied for over 50 years of his life. Not casually. Not occasionally. But as a daily discipline for creating results — in business, health, relationships, and purpose.

That 6-part series was about the basics — the inner mechanics that govern all achievement. And those basics still matter just as much today.

What we’re doing now is not revisiting this material because it’s old.

We’re revisiting it because it’s timeless.

PART 3 — From Decision to Momentum

Decision • Persistence • The Power of the Mastermind

In Part 3 today, of our Think and Grow Rich for Sales study, we move from inner preparation to outer execution.

Up to this point, the earlier chapters have shaped belief, certainty, vision, and authority. But results are not created by preparation alone. They are created when inner mastery is followed by decisive action, sustained effort, and collective intelligence.

This is where most people stall—and where sales mastery is forged.

Decision

We begin with Decision, the moment where intention becomes irreversible. Indecision leaks certainty. Decision creates momentum.

Successful people decide quickly and change course slowly. In sales, this means committing to your value, your process, and your outcome before the conversation begins—so hesitation never enters the room.

Persistence

Next comes Persistence, the force that carries decisions through resistance, delay, and rejection. Persistence is not intensity—it is refusal to quit when progress is invisible.

In sales, persistence keeps conversations alive, turns “no” into information, and allows momentum to compound long after others have disengaged.

The Power of the Mastermind

Finally, we arrive at The Power of the Mastermind—where individual effort becomes exponential.

When two or more minds unite in harmony around a definite purpose, a third force emerges: clarity, creativity, and certainty launch beyond individual thinking. This chapter reveals why no great achievement—and no sustained sales success—is built alone.

Decision commits you. Persistence carries you. The Mastermind multiplies you.

Together, these three principles turn vision into execution and effort into inevitable results. EP 383 — Think and Grow Rich for Sales where we’re applying those same principles through a very specific lens — one I’ve wanted to explore for a long time.

Sales.

Not sales as tactics. Not sales as scripts. But sales as the external expression of inner mastery.

Because here’s the truth:

You don’t need to be in sales for these principles to work — but if you are in sales, they become a powerful advantage.

Why Part 3 Matters

Today we’re covering Decision, Persistence, and The Power of the Mastermind — the principles that separate intention from execution.

Up until now in this series, (PART 1 and PART 2) we’ve been building the inner foundation:

    Thought Desire Faith Autosuggestion Specialized Knowledge Imagination Organized Planning

Those chapters shape belief, certainty, authority, and vision.

But Part 3 is where things get real.

Because:

    Decision is where hesitation ends. Persistence is where most people quit. The Mastermind is where momentum multiplies.

This is the phase where inner mastery must turn into consistent action, even when results are delayed, resistance appears, or confidence wavers.

How the 6-Part Series Maps Directly to Sales Mastery

Every principle we covered in 2022 becomes a sales advantage when applied intentionally.

Each chapter:

    Upgrades your inner state Shapes how you show up in conversations Influences the certainty others feel around you And determines whether opportunities compound… or stall

That’s why this series is called:

Think and Grow Rich for Sales

How Inner Mastery Becomes Sales Results Inspired by Think and Grow Rich — through a modern neuroscience + sales lens

So today, as we move into Decision, Persistence, and The Power of the Mastermind, ask yourself one question:

Where in your life — or your sales process — have you been preparing… but not fully deciding?

Because once a decision is made — and backed by persistence and you’ve got the right people to support you — everything begins to move.

Let’s begin PART 3.

Chapter VIII: Decision

Core Idea

Decision is the moment where intention becomes irreversible. Success is not delayed by lack of ability, knowledge, or opportunity—it is delayed by indecision. Those who succeed decide quickly, commit fully, and change course slowly.

In sales (and life), certainty follows decision, not the other way around.

 

Sales Application
    Decide before the call who you are, what you stand for, and the value you bring. This starts with you on the inside, and reflects to others on the outside. Eliminate hesitation by committing to the outcome, not the comfort Stop outsourcing decisions to opinions, objections, or fear of rejection Make decisions promptly, then execute consistently without reopening the question Understand that most stalled deals are not about price or timing—they’re about your certainty

When you (as the leader) decide fully:

    Your tone steadies Your message sharpens Your presence communicates leadership

Buyers feel that decisiveness immediately.

Listener Takeaway

Indecision leaks certainty. Decision creates forward momentum.

You don’t get stuck because you chose the wrong path. You get stuck because you never fully chose one at all.

Once a decision is made—and all other options are removed—behavior aligns, confidence follows, and results begin to compound.

 

The Moment Where Commitment Creates Momentum

Napoleon Hill opens Chapter 8 on Decision with a striking conclusion drawn from an accurate analysis of over 25,000 men and women who had experienced failure:

“Lack of decision was near the head of the list of the 30 major causes of failure.” (CH 8, p. 157, Think and Grow Rich)

Hill is clear—this is not theory. It is fact. Those who succeed, he explains, “had the habit of reaching decisions promptly and of changing these decisions slowly, if and when they were changed.” (CH 8, p. 157)

In contrast, those who fail hesitate, (have you ever heard a LEADER say “I don’t know?) NEVER! They never second-guess, or remain trapped in indecision—and others often mistake their delay for being cautious.

Decision Is a Habit, Not a Moment

Hill points to Henry Ford as a living example of decisiveness in action. One of Ford’s most outstanding qualities, Hill writes, was “his habit of reaching decisions quickly and definitely, and changing them slowly.” (CH 8, p. 158)

This distinction matters. Successful people are not reckless—but once they decide, they commit. They do not constantly reopen the question. They move forward.

Hill challenges the reader directly:

“You have a brain and mind of your own. Use it, and reach your own decisions.” (CH 8, p. 159)

Indecision, he argues, is often the result of allowing the opinions of others to dilute our own thinking. The more people we consult, the more fragmented our certainty becomes.

Decision Requires Courage

Decision, by its nature, demands courage. Hill reminds us that “the great decisions which served as the foundation of civilization were reached by assuming great risks.” (CH 8, p. 160)

History is filled with individuals who stepped forward before there was certainty—people who acted without guarantees, yet changed the course of their lives and the world.

This truth resonated deeply with me years ago, before I made the decision to move from Toronto to the United States. Around that time, I purchased a poster that still hangs in my office today. It’s on the top of my bookshelf, to the right of my desk in my field of view. At the top of this picture is the word COURAGE, followed by a poem attributed to Johann Wolfgang von Goethe: The poster says-

*“The moment one definitely commits oneself, then Providence moves too. All sorts of things occur to help one that would never otherwise have occurred. A whole stream of events issues from the decision, raising in one’s favor all manner of unforeseen incidents and meetings and material assistance, which no man could have dreamed would have come his way. Whatever you can do or dream you can, begin it. Boldness has genius, power and magic in it. Begin it now.”

Make your decisions and NEVER look back.

Closing Thought — Chapter VIII: Decision

Clarity does not come before the decision. Clarity comes because of the decision.

The moment you decide—fully, cleanly, and without retreat—your behavior changes, your energy stabilizes, and your certainty becomes visible to others. That certainty is what moves conversations forward, closes deals, and creates momentum.

Indecision keeps you negotiating with fear. Decision puts you back in leadership.

Once a decision is made, the path begins to reveal itself—and persistence becomes possible.

And that’s where we’re headed next.

Chapter IX: Persistence

The Force That Turns Intention Into Inevitability

Core Idea

Persistence is the sustained application of will over time. It is not intensity. It is not motivation. It is refusal to quit when progress is invisible. This is where we need our belief, our faith and imagination to come into play.

Napoleon Hill describes persistence as “to character, what carbon is to steel.” (CH 9, p. 178, TAGR) Without it, even the strongest ideas collapse. With it, ordinary effort becomes extraordinary.

Those who succeed are often misunderstood—not because they are reckless, but because they are unwilling to stop. Hill writes that successful people are often seen as “cold-blooded or ruthless,” when in reality, “what they have is willpower, which they mix with persistence.” (CH 9, p. 175)

Persistence is the bridge between decision and the results that you attain.

Sales Application

In sales, persistence is not pressure—it is professional resolve.

    Persistence keeps you in the conversation after the first “no” It transforms rejection into information to uncover more It replaces emotional reaction with strategic and timely follow-up It conditions you to ask better questions instead of walking away

A persistent salesperson does not hear “no” as rejection—they hear it as:

    “Not now” “Not this way” “Not with this information”

So they ask:

    What changed? What would need to be true for this to move forward? Is timing, budget, or authority the real obstacle?

Persistence is what allows a salesperson to:

    Maintain relationships when deals stall To be able to re-enter conversations when conditions change Be remembered when others disappear

Without persistence, opportunities die quietly. With persistence, doors reopen.

Strengthening Your Persistence Muscle

Persistence is not a personality trait—it is a trained discipline.

One of the most powerful exercises I learned while working with Bob Proctor was designed specifically to build persistence into habit.

The assignment was simple:

Read Chapter 9 Persistence from Think and Grow Richevery day, for 14 days in a row. Miss one day? You start over at Day 1.

Years later, in 2019, Paul Martinelli issued the same challenge to me. I thought it would be easy. It wasn’t.

Life intervenes. Schedules shift. Distractions will appear during your reading time.

One morning, as I was reading early in my office, one of my kids came in not feeling well. I put the book down to help her. The day began—and I missed the chapter.

What happened next mattered: I had to remove something else from my schedule to stay committed.

That’s the lesson.

Persistence isn’t tested when things are convenient. It’s tested when something reasonable tries to knock it off course.

Try this challenge yourself. Track every day. Notice what shows up to distract you.

You’ll learn more about yourself in those 14 days than you ever could have expected.

Listener Takeaway

Persistence compounds quietly.

It doesn’t announce itself. It doesn’t feel dramatic. But over time, it becomes unbeatable.

Most people stop just before momentum begins.

Persistence is staying in motion long enough for the tide to turn.

When to Let Go

Persistence is not stubbornness.

There are moments when walking away is appropriate—but only after your best effort has been applied.

My Dad used to say: “Andrea, what’s for you won’t go by you.”

I’ve found that to be true.

When persistence has been honored—when you’ve shown up fully, asked the hard questions, followed through consistently—clarity eventually arrives.

Sometimes the answer is not yet. Sometimes it’s not this. Sometimes it’s something better.

Force negates. Persistence clarifies.

Final Thought — Chapter IX: Persistence

Persistence is not heroic in the moment. It is heroic in hindsight.

It is the quiet decision to show up again— to follow through again— to believe again— long after most people would have stopped.

Without persistence, talent fades. With persistence, effort compounds.

And once persistence is in place, the power of the Mastermind becomes unstoppable.

That’s where we go next.

Chapter X: The Power of the Mastermind

Why Sales Is Never a Solo Game

Collective intelligence multiplies results.

Core Idea

A Mastermind is not a meeting. It is not networking. It is not collaboration for convenience.

A Mastermind is the creation of a third force.

Napoleon Hill defines it clearly:

“No two minds ever come together without thereby creating a third, invisible, intangible force that may be likened to a third mind.” (CH 10, p. 195, Think and Grow Rich)

This chapter reveals that achievement accelerates when two or more minds unite in harmony around a definite purpose. What emerges is a form of collective intelligence—greater than any one individual’s thinking.

Hill calls this power:

“The Master Mind may be defined as coordinated knowledge and effort, in a spirit of harmony, between two or more people, for the attainment of a definite purpose.” (CH 10, p. 195)

This is where vision gains momentum—and plans finally move.

Sales Application

In sales, the Mastermind is a force multiplier.

    It sharpens thinking beyond individual blind spots It accelerates problem-solving when deals stall It stabilizes certainty when confidence wavers It prevents isolation, which quietly erodes persistence

Sales is often practiced alone—but mastery is built together.

High-performing sales professionals:

    Test ideas with trusted thinking partners Debrief losses without ego Share language, patterns, objections, and breakthroughs Borrow certainty when needed—and lend it when others falter

When you bring your challenges into the right room, clarity emerges faster.

As Hill reminds us:

“Plans are inert and useless without sufficient power to translate them into action.” (CH 10, p. 193)

The Mastermind is that power.

Why the Mastermind Works

Hill explains this principle through energy:

“The human mind is a form of energy.” (CH 10, p. 196)

When minds align, energy compounds.

I first felt this power in May of 2001, working in the seminar industry, listening to the late Doug Wead speak on what he called “The Third-Party Principle.” He described it as a triple-braided cord—a force formed when two or more people come together around a shared aim.

If you’ve ever been part of a true Mastermind, you know the feeling:

    Ideas flow differently Certainty increases Problems shrink Creativity replaces competition

You don’t leave the same way you arrived.

Listener Takeaway

You do not need to be the smartest person in the room. You need to be in the right room.

Progress accelerates when you stop trying to think your way forward alone.

One plus one does not equal two. In a Mastermind, one plus one equals three.

Have you ever felt this? The creation of a third mind, when speaking with two or more people? It’s a powerful experience.

How to Create Your Own Mastermind

WHO to Invite

    People who share your values and beliefs People who think differently than you People who challenge assumptions without attacking identity

Hill even notes:

“Some of the best sources for creating your own Mastermind are your own employees.” (CH 10, p. 200)

Seek harmony, not sameness.

WHEN to Meet

    Commit to a consistent cadence (monthly or quarterly) Meet for at least one year Treat it as non-negotiable

Momentum requires continuity.

WHAT to Notice Over time, you’ll observe:

    A calm certainty replacing mental noise Creativity emerging where frustration once lived New pathways revealed where you saw roadblocks

Others will see progress when you see obstacles. That’s the power.

Historical Proof

Hill reminds us:

“Henry Ford began his business career under the handicap of poverty, illiteracy, and ignorance…” (CH 10, p. 197)

Ford’s most rapid growth began when he aligned with Thomas Edison.

Modern examples echo the same truth:

    Bill Gates Steve Jobs Jeff Bezos

None built alone. All relied on thinking partners.

Final Thought — Chapter X: The Power of the Mastermind

No great achievement is the result of isolated brilliance.

It is the result of aligned minds, sustained harmony, and shared purpose.

Decision commits you. Persistence carries you. But the Mastermind multiplies you.

When the right minds come together, progress no longer depends on force— it becomes inevitable.

And with that, the formula is complete.

🧠 ACTION FRAMEWORK: DECISION • PERSISTENCE • MASTERMIND WITH THE BRAIN IN MIND 1️⃣ DECISION — Create Certainty Before Action

Neuroscience Insight: The brain seeks certainty. Indecision keeps the nervous system in a threat state. Decision stabilizes energy and frees cognitive bandwidth.

Action Steps for Sales People:

    Before each sales call, meeting, or important conversation:
      Write down one clear outcome you are committed to Decide in advance how you will show up (calm, certain, curious)
    Remove “maybe” language from your self-talk:
      Replace “Let’s see how this goes” with “I will lead this conversation.”
    Once a decision is made, do not reopen it emotionally — execute and adjust only with data.

Daily Practice (2 minutes):

“What am I deciding today that I’ve been postponing?”  With time and practice, you will learn to make your own decisions quickly.

2️⃣ PERSISTENCE — Train Follow-Through, Not Emotion

Neuroscience Insight: Persistence strengthens the prefrontal cortex and reduces emotional reactivity. It is a skill — not a personality trait.

Action Steps for Sales:

    Track follow-ups instead of outcomes Decide in advance how many touchpoints you will commit to before disengaging Treat “no” as feedback, not failure: It’s not personal.
      Ask better questions instead of retreating

14-Day Persistence Drill (Bob Proctor Style):

    Read Chapter 9 Persistence every day for 14 days Miss one day? Restart Notice what interferes — that’s where growth lives

Daily Question:

“What does staying in motion look like today?”

3️⃣ THE MASTERMIND — Borrow and Lend Certainty

Neuroscience Insight: Aligned thinking increases cognitive flexibility, reduces stress, and accelerates insight. Isolation weakens persistence.

Action Steps for Sales:

    Identify 1–3 people you can think with, not perform for Meet once a month for one year — non-negotiable Structure meetings around:
      Challenges Questions Pattern recognition
    Share failures early — clarity accelerates faster there

Weekly Question:

“Who helps me see what I can’t see alone?”

REVIEW & CONCLUSION — EP 383 (PART 3)

As we wrap up Part 3 of our Think and Grow Rich for Sales study, it’s important to see what just happened — not just in this episode, but across the entire framework.

Because this was never a sales series about tactics. It was a mastery series about who you become before results show up.

Everything we’ve covered — from Thought to the Mastermind — follows one clear progression:

Inner state always precedes outer results.

🔹 CONNECTING ALL THE CHAPTERS

It began with Thought — because every result starts as a mental pattern.

Thought shaped Desire — a clear, emotionally charged aim that we have.

Desire required Faith — belief in yourself and in the outcome before evidence appeared.

Faith was reinforced through Autosuggestion — the language and inner dialogue that programs our certainty.

That certainty was anchored by Specialized Knowledge — not scattered information, but organized expertise.

Expertise activated Imagination — the ability to see outcomes before they exist.

Vision became real through Organized Planning — turning intention into structure.

But none of that produces results until something critical happens.

You decide.

As we close Part 3 — and this Think and Grow Rich for Sales study — I want to leave you with one final reminder:

Results don’t come from knowing more.

They come from deciding, persisting, and thinking with the right people long enough for momentum to form.

Decision commits you. Persistence carries you. And the Mastermind multiplies you.

These principles aren’t motivational — they’re neurological. They stabilize your nervous system. They sharpen your thinking. And they create certainty that others can feel.

🔹 WHY PART 3 IS THE TURNING POINT OF THIS ENTIRE STUDY?

Decision is where preparation ends and commitment begins.

Persistence is what keeps that decision alive when feedback is delayed, resistance appears, or confidence wavers.

And The Mastermind ensures you never have to carry certainty alone.

This is the moment the inner world becomes visible.

This is where belief becomes behavior. Where confidence becomes tone. Where preparation becomes momentum.

Part 3 doesn’t add new ideas. It activates everything that came before it.

Thought creates direction. Desire gives it fuel. Faith stabilizes belief. Autosuggestion conditions certainty. Knowledge builds authority. Imagination reveals possibility before your eyes can see it. Planning creates structure.

Decision commits you. Persistence carries you. And the Mastermind multiplies you.

That’s the formula.

As we close Part 3, remember this:

You don’t need to be perfect. You don’t need to be fearless. You just need to decide — and stay in motion — with the right people beside you.

Preparation without decision stalls. Effort without persistence fades. And success without others rarely sustains.

This is sales mastery at its highest level: The transfer of certainty.

Thank you for walking through this 3 PART series with me.

I’ll see you next week — where we continue turning neuroscience into results as we continue our reviews of past interviews.

As we wrap up Part 3 of our review, remember: You don’t need to be perfect. You don’t need to be fearless. You just need to decide — and stay in motion — with the right people beside you.

Preparation without decision stalls. Effort without persistence fades. And success without others rarely sustains.

Thank you for walking through this series with me. I’ll see you in the next season — where we continue turning science into results.

RESOURCES

 

Neuroscience Meets Social and Emotional Learning Podcast EPISODE 381 PART 1  “The Inner Foundation of Sales Mastery: Why Thought, Desire and Faith Create Results” https://andreasamadi.podbean.com/e/think-and-grow-rich-for-sales-from-thought-to-close/

Neuroscience Meets Social and Emotional Learning Podcast EPISODE 382 PART 2 “Sales Mastery from the Inside Out: Autosuggestion, Authority, Imagination and Execution” https://andreasamadi.podbean.com/e/auto-suggestion-to-authority-turning-inner-scripts-into-sales-wins/

REFERENCES

[i] Neuroscience Meets Social and Emotional Learning Podcast EPISODE #190 PART 1 “Making 2022 Your Best Year Ever”  https://andreasamadi.podbean.com/e/think-and-grow-rich-book-review-part-1-how-to-make-2022-your-best-year-ever/

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