"The Peak of Ignorance - Why stupid people think they are geniuses" dives into the Dunning-Kruger Effect. In 1999, psychologists David Dunning and Justin Kruger published a paper inspired by a bank robber who covered his face in lemon juice, believing it would make him invisible to cameras. They discovered that incompetent people lack the very skills needed to recognize their own incompetence. Author Sarah Smart explains the "Mount Stupid" curve: Beginners often feel high confidence, while experts act with caution. The book applies this to internet arguments, office politics, and voting behavior. It argues that we are all idiots in some domain, but only the wise admit it. "The Peak of Ignorance" is a guide to intellectual humility. It teaches readers how to spot their own blind spots and why "I don't know" is the most intelligent sentence a human being can speak.

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