Why know-it-alls keep annoying us – and what they can still teach us

Know-it-alls: A Source of Irritation

Cultural historian Arnoud Visser found that know-it-alls have always been present, provoking resentment. They can be a colleague who corrects every detail, a guest who talks excessively about themselves, or an online pedant who explains how things "really" are.

Visser's research shows that know-it-alls have been a source of irritation in Western culture for centuries, from classical satire about philosophers to populist attacks on academics.

Know-it-alls have always been among us – as has the resentment they provoke.

Author's summary: Know-it-alls provoke deep irritation in people.

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Utrecht University Utrecht University — 2025-11-04

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