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Home » Personal Growth » Do you really need to believe in yourself to achieve something? The superpower of doubt

Do you really need to believe in yourself to achieve something? The superpower of doubt

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importance of dubt
“If you accept beginning with doubt, you will end with certainty.” – Sir Francis Bacon [Free photo: Pexels]

“If you believe in yourself, everything is possible.”

“Confidence is the key to success.”

“To achieve it, you first have to believe in it.”

These phrases (and others like them) are likely familiar to you, either because you’ve read them or even because you’ve said them yourself. Their intention is good: they try to boost self-confidence. And there’s nothing wrong with that. But they aren’t entirely true. It’s not all about confidence and convincing ourselves that we’re capable of achieving something. In fact, blindly believing that message could even hinder us.

The trap of waiting until you feel ready

Many people live trapped in a kind of psychological limbo. They want to do something, but they wait until they feel secure before trying. They wait to gain more confidence before speaking in public. They seek more certainty before changing jobs. They want assurances before embarking on a project.

Without realizing it, they make trust a prerequisite for action. However, the problem is that trust doesn’t always precede action; often, it happens the other way around.

We’ve honed most of our skills through experience. No one develops confidence driving before actually driving, just as no one learns to swim by reading swimming manuals or gains confidence speaking in front of an audience by rehearsing speeches while lounging on their couch at home.

Sometimes confidence is a prelude, but in most cases it’s a consequence of taking the plunge and trying. That’s why waiting until you feel completely ready can become a sophisticated form of procrastination.

The strange thing is that it doesn’t seem like fear because their arguments seem reasonable, but in many cases that’s precisely what it is. Sometimes, trust as a prerequisite for doing anything is just fear in disguise (and a refusal to acknowledge it).

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Doubt, an underestimated and often maligned ally

Doubt has practically become public enemy number one. In these times, trust is extolled while insecurity receives bad press. However, doubt has not always been seen as an enemy. In fact, some of history’s most influential thinkers considered it an indispensable tool for approaching the truth.

Socrates, for example, built much of his philosophy on a seemingly simple idea: recognizing one’s own ignorance. The famous “I know that I know nothing” was not a declaration of inadequacy, but an invitation to question certainties and things we take for granted. For Socrates, the real danger was not doubting, but believing that we already possessed all the answers.

From this perspective, doubt doesn’t represent a lack of confidence, but rather a form of intellectual humility that keeps us open to learning. Modern psychology confirms this philosophical intuition. People who never doubt tend to fall more easily into overconfidence, overestimate their abilities, ignore relevant information, and take unnecessary risks.

A subjective sense of security is not always a reliable indicator of competence. In fact, some studies show that those who make more cautious estimates and better recognize the limits of their knowledge tend to make more accurate decisions in the long run. In other words, feeling completely confident does not guarantee being right, much less success.

A reasonable amount of doubt can act as a psychological corrective mechanism. It forces us to review our plans, identify blind spots, and consider alternative scenarios. It reminds us of something we often forget: the future is fraught with uncertainty, and no decision comes with absolute guarantees. In this sense, doubt is not a sign of weakness, but rather of being in touch with reality.

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The correct question

We must accept that some of life’s most significant decisions are often accompanied by uncertainty, precisely because they have important consequences. Expecting absolute certainty before acting is like expecting all the waves to disappear before entering them.

In fact, perhaps we have been framing the question incorrectly, and instead of asking ourselves if we believe in ourselves enough, it might be more helpful to ask ourselves another question: Am I willing to move forward, even though I have doubts?

The difference may seem small, but it completely changes the perspective because confidence and certainty fluctuate. There will be days when we feel capable of conquering the world and others when we might question everything again.

Ultimately, basing our decisions on such a fluctuating emotional state can be quite problematic. In contrast, commitment to the action or decision we’ve taken provides us with greater stability because it allows us to acknowledge that we may have doubts and, despite that, move forward.

You don’t need unwavering faith in yourself to move forward, you just need something much more modest and realistic: accepting that uncertainty is part of any worthwhile project and that doubts will always arise if the decision in front of you really matters to you.

You just need to know that doubt isn’t always a sign to stop; sometimes it’s simply the price you pay for daring to step outside your comfort zone. True confidence isn’t about eliminating all doubts, but about learning to move forward with them.

References:

Moore, D. A., & Healy, P. J. (2008) The trouble with overconfidence. Psychological Review; 115(2): 502–517.

Dunning, D., Johnson, K., Ehrlinger, J., & Kruger, J. (2003) Why people fail to recognize their own incompetence. Current Directions in Psychological Science; 12(3): 83–87.

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Jennifer Delgado

Psychologist Jennifer Delgado

I am a psychologist (Registered at Colegio Oficial de la Psicología de Las Palmas No. P-03324) and I spent more than 20 years writing articles for scientific journals specialized in Health and Psychology. I want to help you create great experiences. Learn more about me.

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