Ever catch yourself a bit too sure you’re right? This Veritasium deep-dive unpacks why overconfidence is arguably the most dangerous bias in our head. From a simple quiz that exposes our blind spots to a fresh take on the Dunning-Kruger curve, Derek Muller shows how mental shortcuts and a lack of honest feedback can inflate our self-assessment. Along the way he recounts jaw-dropping tales like Nick Leeson’s rogue trading scandal and the fall of one of England’s oldest banks to prove that being too sure can have real-world consequences.
But it’s not all doom and gloom. Overconfidence helps us take risks and stay motivated—so the trick isn’t to crush it but to keep it in check. The video wraps up with practical tips and a tabletop game (check Kickstarter!) designed to keep your ego honest, sharpen your judgment, and turn blind spots into learning moments.
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