Journal Entry: Friday, November 10, 2023

Journal Entry

The Power of Persistence: Lessons from “The Greatest Salesman in the World” by Og Mandino

In the vast realm of literature on sales and personal development, Og Mandino’s “The Greatest Salesman in the World” stands out as a beacon of wisdom. When I went through prison, I understood that I would need messages like his to persuade others to view me differently from the way that a criminal justice press release would describe me. Mr. Mandino‚Äôs book isn’t just about the techniques of selling; it’s a guide to a philosophy of life, resilience, and the indomitable human spirit.

The narrative revolves around Hafid, a poor camel boy who aspires to become a successful salesman. Under the mentorship of the wealthy trader, Pathros, Hafid discovers a set of ancient scrolls, each containing a principle or secret to success in sales and life. These scrolls, with their timeless wisdom, form the core teachings of the book.

Key Lessons:

  1. The Power of Good Habits: Mandino emphasizes the importance of cultivating positive habits. By repeating constructive actions daily, we can transform our lives. This aligns with the teachings from “Preparing for Success after Prison,” where discipline and daily progress are paramount
  2. Love is the Strongest Tool: One of the scrolls teaches that love is the most potent tool a salesman can possess. When we approach our interactions with genuine care and concern for others, success naturally follows.
  3. Persist Until You Succeed: Resilience and persistence are recurring themes. No matter the number of rejections or failures, the key is to keep pushing forward, much like Frederick Douglass’s journey from slavery to statesmanship.

My Take on the Book:
Reading Mandino’s work reminds me of the importance of vision, persistence, and the belief in oneself. In my business, the principles from this book are invaluable. It’s not just about selling a product or service; it’s about selling a vision, a better future. Whether I’m reaching out to potential partners, clients, or sharing the mission of Prison Professors Talent, the lessons from this book guide my approach. The emphasis on genuine relationships, understanding the needs of others, and the unwavering belief in the value I bring are principles I’ve integrated into my business ethos.

Challenge for the Readers:
Reflect on your interactions, whether they’re personal or professional. How can you apply the principles from Mandino’s scrolls to improve these interactions? Choose one scroll that resonates with you the most. For the next month, apply its teachings daily. Document your experiences, the challenges you face, and the successes you achieve.

Invitation to Participate at Prison Professors Talent:
Share your reflections, challenges, and progress on Prison Professors Talent. Let the community witness your journey of growth and transformation. To participate, send an email to

“The Greatest Salesman in the World” is more than a book about sales. It’s a testament to the human spirit’s ability to overcome challenges, grow, and achieve greatness. As Mandino writes, “I will persist until I succeed.” Let this be our mantra as we navigate the challenges of life, always striving for excellence.

Michael Santos,
Founder of Prison Professors Talent