Research by cultural historian Arnoud Visser reveals that know-it-alls have long been a part of our society, provoking resentment in the process.
Visser notes that certain individuals, such as the colleague who corrects every detail or the online pedant, can quickly irritate us.
From classical satire about smug philosophers to populist attacks on elitist academics, scholarly know-it-alls have been a source of irritation in Western culture for centuries.
Despite the annoyance they cause, know-it-alls can still teach us valuable lessons.
Author's summary: Know-it-alls annoy yet educate.