The Peril of ‘Imaginary Walls’ for Founders, According to Dan Sherrard-Smith

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Dan Sherrard-Smith

LinkedIn Author

Build AI systems where you earn more, work less and stay ahead | Employees + Founders | shifted £1BN into green economy | Dragons’ Den best-ever deal

In a recent LinkedIn post, Dan Sherrard-Smith discusses a common yet often overlooked obstacle that hinders founders from achieving greater success: the creation of ‘imaginary walls’. Sherrard-Smith, drawing on his experience meeting over 1,457 founders in the past three years, suggests that many entrepreneurs self-impose limitations that prevent them from reaching their full potential.

The core of his argument is illustrated through a compelling analogy of a fish experiment. Sherrard-Smith recounts how a fish, initially separated from the other side of a tank by a glass wall, repeatedly bumps into it. Even after the physical barrier is removed, the fish, conditioned by its previous failed attempts, ceases to try to cross, effectively trapped by its learned helplessness.

“The fish tries to cross. Hits the wall. Tries again. Hits it again. It does this so many times that eventually it stops trying.”

According to Sherrard-Smith, this phenomenon mirrors the behavior of many founders who encounter initial setbacks. He highlights common scenarios where entrepreneurs might abandon promising strategies after insufficient effort or early disappointment.

The Cycle of Self-Imposed Limitations

Dan Sherrard-Smith argues that these ‘imaginary walls’ are often built from a series of negative experiences or perceived failures. He provides specific examples of how this can manifest in a founder’s journey:

  • Trying LinkedIn content for a short period and concluding ‘content’s not for me’.
  • Developing a single lead magnet that doesn’t immediately yield clients.
  • Hosting a webinar with low attendance and giving up on the format.

As Sherrard-Smith observes, these instances can lead founders to scale back their ambitions and actions:

“And little by little, the founder plays smaller and smaller.”

Breaking Down the Barriers

The central message from Sherrard-Smith’s post is a call to action for founders to recognize and dismantle these self-imposed barriers. He emphasizes that the obstacles are often not external realities but internal perceptions shaped by past experiences.

The Importance of Persistence

Sherrard-Smith’s analogy underscores the critical role of persistence in entrepreneurship. The fish in the experiment failed to cross not because the wall was still there, but because it had internalized the belief that crossing was impossible. Similarly, founders can become stuck in a loop of limited action if they allow early challenges to define their capabilities.

“Don’t let imaginary walls get in your way.”

He advocates for a mindset shift, encouraging entrepreneurs to view initial failures not as definitive conclusions but as learning opportunities. By understanding that the ‘wall’ is often a construct of their own making, founders can then begin to challenge these limitations and pursue more significant goals. In Sherrard-Smith’s view, overcoming these internal barriers is as crucial as navigating external market challenges for sustainable growth and success.

📝 About This Content

This article is based on insights shared by Dan Sherrard-Smith on LinkedIn.

📅 Originally posted on July 19, 2026 | View original post on LinkedIn →