Bruce, a prominent figure in the vitamin industry, has built a lucrative empire from a foundation laid by his father. What began as a business in the early days of supplements—where vitamins were a rare prescription—has transformed into a booming enterprise, especially after Bruce took the reins in the 1990s. With skyrocketing demand and a hunger for success, Bruce expanded his company rapidly, taking on massive loans to fuel the growth. Today, he stands at the helm of his own prosperous business and is president of a national association for vitamin manufacturers.

Bruce has diligently consumed multivitamins for as long as he can remember—at least three a day. When a journalist once inquired whether these supplements made a difference, Bruce responded unflinchingly, “I’m sure of it.”

Now, the question is: Do you believe him?

This scenario mirrors the complex nature of our beliefs. When we examine our convictions, we often fail to question their validity. However, when we examine the beliefs of others, especially those with vested interests, we tend to view them with skepticism. Let’s explore why introspection—our internal self-examination—often leads us astray and how we can guard against the illusion of certainty it creates.

The Internal vs. External Perspective: A Subtle Divide

Bruce’s story offers an insightful lens through which we can explore the nature of belief and self-reflection. As the leader of a multi-million-dollar vitamin company, Bruce has an intimate and vested connection to the products he sells. Over the years, his belief in the effectiveness of multivitamins has become ingrained in his identity. He is not just a consumer of vitamins; he’s the face of a thriving business that depends on their widespread acceptance. This creates a unique dilemma: how much of his belief in vitamins is genuinely grounded in personal experience, and how much is a product of his role as a businessman?

This is where the divide between internal and external perspectives becomes crucial. From the outside, Bruce’s belief may seem conflicted, especially since his financial success is tied to the efficacy of his products. Critics might argue that Bruce’s convictions are biased by personal gain, that his wealth, power, and social status are built on the foundation of vitamins being beneficial, whether or not they truly are. In other words, Bruce’s beliefs may not be entirely objective; they could be influenced by the incentives tied to his business.

In contrast, when we reflect on our own beliefs—whether it’s about political ideologies, religious views, or personal habits—we tend to trust the internal narrative more. Our internal reflection feels more authentic because it is based on personal introspection. The reasoning is straightforward: “I’ve thought long and hard about this, so surely it must be true.” However, this internal perspective can also be skewed. We often fail to see the subtle ways our beliefs might be shaped by external influences, such as the media we consume, the people we interact with, or even our past experiences. While we believe we are standing on solid ground, our convictions might be just as susceptible to external influences as Bruce’s.

This duality—the tension between internal conviction and external factors—is central to understanding how introspection works. We believe we can peer into our minds and uncover “the truth” about ourselves. Yet, in reality, our introspection is often clouded by the same biases that affect those driven by external motivations. The internal reflection feels deeply personal and detached from external interests, but it can be just as compromised by hidden biases or personal agendas.

The Illusion of Introspection

Petter Johannson’s study offers a compelling look into the flaws of introspection. Participants were asked to view two photos in his experiment and choose the most attractive one. Afterward, they were shown the chosen photo up close and asked to explain why they found it appealing. However, Johannson had swapped the photos, so the subjects were justifying their preference for an image they hadn’t seen. Most participants failed to notice the change and confidently provided detailed reasons for their preference. This experiment demonstrates how introspection often leads us to construct rather than discover the truth.

This is a fundamental flaw in our thought process. When we introspect, we do not necessarily uncover a hidden truth or a deeper understanding of ourselves. Instead, we tend to rationalize our choices and beliefs after the fact, creating stories that justify our decisions and feelings. In essence, introspection often serves as a post hoc justification, where we explain our choices in a way that feels right rather than accurately reflecting our true motivations.

This “fabrication” process occurs because the human mind craves coherence. We like to think that our beliefs are internally consistent, so when we reflect on our thoughts, we tend to reconcile any inconsistencies by creating explanations that fit into a larger narrative. But this narrative is often more about maintaining psychological comfort than uncovering objective truth. We become so attached to our internal narrative that we fail to see it for what it is: a constructed story we tell ourselves to justify our beliefs.

Introspection, in this sense, is not the objective tool for self-understanding we often believe it to be. Instead, it is a psychological mechanism that often distorts the truth. We are far more prone to self-deception than we realize. The introspection illusion occurs when we believe that our self-reflection reveals the truth when it often reveals little more than our desire to maintain the status quo.

The Three Reactions to Contradictory Beliefs

One of the most troubling consequences of the introspection illusion is how it influences our responses to others who disagree. When confronted with someone who holds an opposing view, the introspection illusion prompts us to react in one of three ways, all of which are rooted in the assumption that our beliefs are somehow more valid than theirs.

  1. Assumption of Ignorance: The first reaction is the assumption of ignorance. In this case, we assume the person who disagrees with us lacks the necessary information. If only they had access to the knowledge or perspective that we possess, they would see the truth as we do. This reaction is common in debates, especially political or ideological ones, where we believe that people’s opposition stems from a simple lack of understanding. Activists or advocates often hold this belief, convinced that if they can just convey the facts, they can change the minds of others. This reaction overlooks the possibility that the person may already be aware of the information but has come to a different conclusion based on different priorities, experiences, or beliefs.
  2. Assumption of Idiocy: The second reaction is the assumption of idiocy. Here, we don’t just assume that the person lacks knowledge; we assume they are incapable of properly processing the information. This is an arrogant dismissal, where we believe that the other person’s mind is insufficiently developed to understand the obvious conclusions that we’ve drawn. This mindset is prevalent in hierarchical systems, where bureaucrats or experts often believe they know better than the public or the masses. It leads to a condescending attitude toward others. It can be dangerous when applied to public policy or decision-making, as it disregards the possibility that others may have valid insights or perspectives.
  3. Assumption of Malice: The final reaction is the assumption of malice. In this case, we assume that the person not only has the information but also understands it—yet deliberately chooses to reject it for ulterior motives. This belief is often tied to the notion that those who oppose us must be willfully blind or even malicious. This reaction is common in religious or ideological circles, where dissenting opinions are not seen as the result of honest disagreement but as evidence of evil intentions. Those who reject the “truth” must be motivated by something darker, something nefarious.

These three reactions reveal a fundamental flaw in our approach to differences of opinion. Rather than seeking understanding or finding common ground, the introspection illusion leads us to assume that those who disagree with us are ignorant, intellectually deficient, or malicious. This not only deepens divides but also reinforces our sense of superiority. We become convinced that we are right, not because of the merit of our arguments but because we are certain of the truth of our internal reflections.

The Dangers of Introspection Illusion

The introspection illusion carries two significant dangers, which can have far-reaching consequences in both personal and professional realms. The first danger is the distortion of future mental states. When we rely too heavily on introspection, we tend to believe that our current thoughts, beliefs, and emotions will remain unchanged in the future. We assume that we will continue to feel the same way about a particular issue or situation, which can lead to poor decision-making.

For instance, imagine you’re facing a major life decision, like changing careers or ending a long-term relationship. Your current state of mind may feel clear and decisive, but introspecting too much on this current state can create the illusion that your feelings will remain consistent. The reality is that emotions evolve, circumstances change, and new experiences can shift our perspectives in ways we cannot predict. By relying too heavily on introspection, we risk being blindsided by future feelings or events that don’t align with our expectations.

The second danger of the introspection illusion is the illusion of superiority. When we become convinced that our internal observations are more accurate than those of others, we begin to view ourselves as intellectually or morally superior. This arrogance can make it difficult to empathize with or learn from others. We assume that our way of thinking is right and that anyone who disagrees is either uninformed or downright foolish.

This sense of superiority can stifle personal growth and prevent us from considering new ideas or perspectives. It creates an environment where we are unwilling to challenge our beliefs or entertain the possibility of being wrong. This is particularly dangerous in professional settings, where collaboration and open-mindedness are essential for innovation and problem-solving.

A Remedy for the Introspection Illusion

The remedy to the introspection illusion is cultivating a critical mindset toward our beliefs. Instead of accepting our internal reflections as truth, we must approach them with the same skepticism we would apply to external claims. Treat your internal observations as hypotheses rather than conclusions, and be willing to test them against alternative viewpoints and experiences.

This doesn’t mean rejecting introspection altogether; it simply means questioning it. When you reflect on your beliefs or decisions, ask yourself whether biases, external influences, or hidden motives might shape your conclusions. Seek out contradictory evidence and engage with perspectives that challenge your assumptions. The more you expose yourself to differing opinions, the more likely you are to develop a more nuanced and accurate understanding of yourself and the world around you.

Ultimately, the key is to become your own toughest critic. Instead of automatically assuming that your internal reflections are correct, actively look for flaws or weaknesses in your reasoning. Engage in self-reflection with the same intellectual rigor that you would apply to evaluating the arguments of others. By doing so, you can guard against the illusion of introspection and develop a more accurate and realistic understanding of yourself.

Conclusion

The introspection illusion is a powerful force that distorts our understanding of ourselves and the world around us. It leads us to believe that our internal reflections are infallible, which can make us blind to alternative viewpoints and set us up for future disillusionment. By adopting a more critical approach to our beliefs, we can avoid these pitfalls and foster a more accurate, balanced sense of self. Only through this kind of introspection—one grounded in self-awareness and humility—can we navigate the complexities of our beliefs with clarity and confidence.

This article is part of The Art of Thinking Clearly Series based on Rolf Dobelli’s book.