Book Review : Think and Grow Rich by Napoleon Hill
Napoleon Hill’s Think and Grow Rich, first published in 1937, is widely regarded as one of the most influential personal development and success books of all time. Drawing from over 25 years of research and interviews with more than 500 successful individuals, such as Henry Ford, Thomas Edison, and Andrew Carnegie, Hill distilled the key principles behind personal achievement and wealth creation. The book’s core message is that success starts with the power of thought. Wealth, Hill insists, is not purely about money; it is the product of focused desire, faith, persistence, and a definite plan. This review presents a brief overview of the book, highlights its limitations, and explains why despite being published in the 1930s, its principles remain relevant when thoughtfully applied to today’s world.
9/24/20259 min read
The 13 Principles of Success
Napoleon Hill outlines 13 powerful principles in Think and Grow Rich that, when practiced consistently, can lead to success in virtually any area of life not just financial wealth. At the core of his philosophy is the belief that thoughts become things. If you can clearly conceive and deeply believe in a goal, you have the power to achieve it. Hill was among the first to articulate what is now known as the law of attraction, long before it became popular. However, unlike many modern interpretations, Hill stresses that success requires more than just belief, it demands persistent, focused action and a concrete plan. The 13 powerful principlesof success stated by him are :
1. Desire – The Starting Point of All Achievement
Napoleon Hill teaches that all achievement begins with a strong, definite desire—not a mere wish or idle hope. He emphasizes that vague desires lead to vague results, while clear, focused goals inspire action.
Hill illustrates this with the story of Edwin C. Barnes, who dreamed of working with Thomas Edison. Despite having no money or connections, Barnes’s unwavering determination and burning desire eventually opened the door to his success. His story proves that when desire is strong enough, it becomes the driving force that overcomes obstacles and turns dreams into reality through persistence and purposeful action.
Hill outlines six steps to transform desire into its financial equivalent:
Set a definite amount of money you desire: Be precise about how much money you want to earn. A specific financial goal creates clarity, sharpens focus, and gives your mind a target to work toward.
Determine what you will give in return: Success requires a fair exchange. Decide what effort, service, or value you’ll offer in return for the money you desire. This commitment activates responsibility and purpose.
Set a definite date: Choose a clear deadline for achieving your goal. A time-bound objective creates urgency, enhances accountability, and transforms a vague dream into a measurable, time-sensitive commitment.
Create a definite plan and begin at once: Design a clear, actionable plan to reach your goal. Don’t wait for perfect conditions—begin immediately, even if your plan isn't flawless. Action creates momentum and invites opportunity.
Write a clear, concise statement of all the above: Summarize your goal, deadline, return, and plan in a brief, written statement. Writing solidifies intent, helps visualize success, and reinforces your commitment through daily review and clarity.
Read your statement aloud twice daily, with emotion and belief: Repeat your goal aloud every morning and night with strong emotion and full belief. This repetition programs your subconscious mind, aligning your thoughts and actions with your objective.
2. Faith – Visualization and Belief in Attainment
Napoleon Hill explains that faith is a powerful mental state that transforms desire into reality. It is not something you’re born with but can be developed through autosuggestion repeating affirmations and visualizing goals with emotion and conviction. This constant reinforcement helps plant belief in the subconscious mind.
Faith is essential because it bridges the gap between wanting something and achieving it. It builds confidence, strengthens persistence, and fuels initiative, making it the emotional force behind all success. Without faith, desire lacks power. With faith, the mind becomes unstoppable and aligned with purposeful, determined action.
3. Autosuggestion – The Medium for Influencing the Subconscious
Autosuggestion is the practice of influencing the subconscious mind through repeated affirmations and focused thoughts. According to Hill, the subconscious cannot distinguish between positive or negative input it simply acts on whatever dominates your thinking. By intentionally repeating your desire statement with emotion and belief, you impress your goals onto the subconscious.
Over time, this builds faith, strengthens motivation, and aligns your thoughts and actions with success. Autosuggestion is a powerful tool for mental conditioning, helping transform abstract desires into concrete achievements by embedding them deeply in your mental and emotional framework.
4. Specialized Knowledge – Personal Experiences or Observations
Napoleon Hill emphasizes that general knowledge has limited value in achieving wealth. What truly leads to success is specialized knowledge—information that is organized, specific, and actionable. One doesn't need to possess all knowledge personally; it is often more effective to leverage the expertise of others by organizing and directing their efforts.
The key is not just knowing, but applying knowledge in a definite, purposeful manner. Specialized knowledge becomes powerful only when it is used to solve problems, create value, or execute plans aligned with a clear goal. Knowledge without action remains potential application is what drives success
5. Imagination – The Workshop of the Mind
The imagination is the workshop where all plans are created. There are two types:
Synthetic Imagination: Synthetic imagination involves rearranging existing ideas, concepts, or experiences into new combinations. It’s used to solve problems or innovate by building on what is already known or available.
Creative Imagination: Creative imagination taps into the subconscious mind or infinite intelligence, generating entirely new ideas or insights. It often appears as intuition, inspiration, or sudden breakthroughs without conscious effort.
6. Organized Planning – The Crystallization of Desire into Action
Napoleon Hill emphasizes that desire without action is meaningless. To succeed, one must create a definite plan and act immediately, even if the plan isn’t perfect. Procrastination and waiting for ideal conditions lead to failure. Hill warns that failure to plan is essentially planning to fail.
He advises forming a Master Mind group a team of individuals with complementary skills and shared goals to help shape, refine, and execute your plan. If the first plan fails, don’t give up; revise it and try again. Success is achieved through persistent, organized action not just intention or wishful thinking.
7. Decision – The Mastery of Procrastination
Napoleon Hill found that successful people are decisive and act quickly, while the unsuccessful tend to procrastinate and hesitate. Based on a study of 25,000 failures, Hill identified indecision as a major cause of defeat. He stresses the importance of making firm decisions and sticking with them unless there’s a clear reason to change.
Constantly shifting direction weakens focus. Hill also warns against letting unsolicited opinions influence your path, as they often create doubt and distraction. Clarity, conviction, and consistency in decision-making are essential for achieving goals and maintaining momentum toward long-term success.
8. Persistence – The Sustained Effort Necessary to Induce Faith
Persistence is a state of mind that can be cultivated. Hill notes that many people give up after facing temporary defeat. The difference between success and failure often lies in one more try. He suggests cultivating persistence through:
A definite purpose: Having a clear, specific goal gives direction, focus, and motivation, serving as the foundation for all meaningful achievement.
· A burning desire: Intense passion fuels persistence and action, turning your goals into powerful emotional drivers that push you through challenges and setbacks.
A definite plan: A structured, actionable strategy transforms intentions into results and provides a roadmap to move steadily toward your definite purpose.
A closed mind against negativity: Blocking out doubt, fear, and criticism protects your mindset and keeps you focused on your goals without distraction.
Friendly alliances to support you: Surrounding yourself with like-minded, supportive individuals strengthens resolve, encourages growth, and multiplies ideas, energy, and opportunities for success.
9. Power of the Master Mind – The Driving Force
Napoleon Hill defines the Master Mind as a friendly alliance between two or more individuals working in harmony toward a common goal. When minds align, they create a third, invisible force a synergy greater than the sum of its parts. This principle highlights the immense power of collaboration, shared purpose, and mutual support.
A Master Mind group provides ideas, encouragement, and accountability, helping each member grow and stay focused. Hill believed that many great achievements stem from such alliances, where collective intelligence drives creativity, strengthens decisions, and accelerates success through unity of thought and action.
10. The Mystery of Sex Transmutation
Napoleon Hill explains that sexual energy is one of the most intense human desires and a key driver of action. Through sex transmutation, this powerful energy can be redirected into creativity, ambition, and productivity.
Hill observed that many highly successful individuals possess strong sexual energy, which they consciously channel into business, art, or innovation rather than physical expression alone. This process transforms raw desire into a higher purpose, fuelling focus, drive, and mental clarity. By mastering transmutation, one can convert emotional intensity into powerful forces for achievement, inspiration, and personal growth.
11. The Subconscious Mind – The Connecting Link
Napoleon Hill describes the subconscious mind as a bridge between the conscious mind, spiritual forces, and the physical body. It responds to emotionalized, repeated thoughts, whether positive or negative. Everything you visualize, believe, or fear is absorbed by the subconscious and influences your behaviour.
Through autosuggestion and affirmation, you can intentionally program your subconscious with positive, purposeful thoughts aligned with your definite goal. The subconscious does not reason it simply acts on dominant impressions. To succeed, consistently feed it with thoughts of confidence, success, and belief, allowing it to guide your actions and attract your desired outcomes.
12. The Brain – A Broadcasting and Receiving Station for Thought
Napoleon Hill viewed the brain as a powerful broadcasting and receiving station for thoughts. When fuelled by strong emotion and desire, your thoughts are transmitted like signals, influencing others and attracting related energies. Hill believed the brain can also receive knowledge from Infinite Intelligence, a universal source of ideas, inspiration, and solutions. This connection becomes especially powerful through using the Master Mind and creative imagination. By training your brain to focus on definite goals and emotionalized thoughts, you align with higher levels of consciousness and unlock extraordinary insight, intuition, and opportunities for personal and professional growth.
13. The Sixth Sense – The Door to the Temple of Wisdom
The sixth sense is the final and most intangible principle in Napoleon Hill’s philosophy, accessible only after mastering the previous steps. Hill describes it as a mystical faculty a source of sudden insights, ideas, or gut feelings that emerge when logic and reasoning fall short. It often presents itself as a quiet inner voice or flash of inspiration that provides clear guidance.
Though difficult to define, the sixth sense is believed to connect individuals with Infinite Intelligence, offering wisdom beyond conscious understanding. Many highly successful people rely on this inner sense to make crucial decisions and seize life-changing opportunities.
The Role of Fear
Hill emphasizes that fear is the greatest obstacle to success, as it paralyzes thought, weakens decision-making, and destroys self-confidence, preventing individuals from taking action toward their definite goals.. He identifies six basic fears:
Fear of Poverty : The fear of poverty cripples ambition and fuels anxiety about money and security. It causes hesitation, limits decision-making, and makes people accept less than they deserve, often settling for survival instead of striving for wealth and abundance.
Fear of Criticism: Fear of criticism leads to self-consciousness and paralysis of initiative. Worrying about others' opinions discourages original thinking and risk-taking. People avoid bold action, suppress creativity, and conform to mediocrity to escape judgment, missing opportunities for true success.
Fear of Ill Health: This fear creates excessive worry over physical conditions and often invites the very illness one dreads. It can dominate thoughts, reduce productivity, and foster a negative mindset, weakening both the body and the mind through constant stress.
Fear of Loss of Love: Fear of losing love can cause jealousy, insecurity, and emotional dependence. It distracts from personal goals and inner growth, leading to anxiety and poor decisions in relationships, and can even result in manipulation or emotional instability.
Fear of Old Age: This fear is rooted in beliefs about declining health, relevance, or independence. It often causes people to limit their ambitions prematurely, fearing judgment or loss of ability, rather than embracing age as a time of wisdom and strength.
Fear of Death: The fear of death is the most universal, rooted in uncertainty and the unknown. It prevents individuals from living fully, taking risks, or pursuing purpose, overshadowing life with anxiety rather than acceptance and meaningful existence.
These six basic fears often operate silently and subconsciously, influencing decisions and behaviors without notice. Napoleon Hill warns that they can erode willpower, destroy faith, and paralyze initiative. The key to overcoming them is awareness recognizing their presence, confronting them boldly, and replacing them with positive thoughts, affirmations, and empowering beliefs.
Success Is a State of Mind
Napoleon Hill consistently emphasizes that success begins with thought. He teaches that wealth is not merely external it originates within the mind and is attracted through mindset, belief, and purposeful action. The 13 principles he outlines are designed to work together, forming a comprehensive mental framework for achieving any goal, whether financial or personal. Hill never claims that success comes without effort.
Instead, he argues that true success arises from a blend of clear goals, focused action, persistent faith, and mental discipline. By consistently feeding the mind with positive, goal-oriented thoughts, individuals train their subconscious to support success. Your dominant thoughts what you believe and focus on most will shape your actions and, ultimately, your reality. Hill's philosophy empowers readers to understand that lasting achievement is created first in the mind, then brought to life through decisive, determined action. In essence, you become what you consistently think about.
Modern Applications and Legacy
Think and Grow Rich remains a classic because its core lessons still resonate today. Entrepreneurs, athletes, artists, and leaders often point to Hill’s principles—such as clarity of vision, persistence, and self-discipline as central to their success. While the language reflects the 1930s and some claims lack scientific backing, the book’s emphasis on mindset and determination continues to inspire people across professions and generations.
Limitations and Context
That said, the book has its shortcomings. Hill focuses heavily on philosophy but offers little in terms of step-by-step, practical guidance. Readers looking for modern strategies on wealth-building or business execution may find it lacking. Many of the examples are also tied to the economic and cultural realities of Hill’s time, making them less relatable today. Moreover, by placing so much weight on individual willpower, Hill often overlooks external challenges like financial barriers, social inequality, or broader economic forces. These omissions can make the book feel overly idealistic, as though success depends only on mindset and not on a mix of both personal effort and structural opportunity. In today’s complex world, readers must be mindful of these gaps and adapt the lessons to more realistic circumstances.
Ultimately, Think and Grow Rich is best approached as a motivational guide rather than a practical manual. Its true strength lies in the way it ignites ambition, strengthens belief in personal potential, and encourages perseverance. The book continues to serve as a spark for self-improvement, pushing readers to take ownership of their goals and develop the discipline to pursue them. Yet, for those seeking concrete methods, business frameworks, or financial planning tools, Hill’s ideas work best when complemented with modern resources that translate inspiration into action. In this way, the book becomes not just a relic of the past but a timeless foundation on which contemporary knowledge can build lasting success.
For getting full benefit form this book, it is recommended to read it completely. It is easily available on most of the popular online shopping sites and most of your nearby bookshops.
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