The idea of error. Wrongology ; Two models of wrongness -- The origins of error. Our senses ; Our minds, part one: Knowing, not knowing, and making it up ; Our minds, part two: Belief ; Our minds, part three: Evidence ; Our society ; The allure of certainty -- The experience of error. Being wrong ; How wrong? ; Denial and acceptance ; Heartbreak ; Transformation -- Embracing error. The paradox of error ; The optimistic meta-induction from the history of everything.