IdiomBody & SensesEnglish

change of heart

Meaning: A reversal of attitude.

Example: “He was going to sell the farm, but he had a change of heart.”

Origin: Depends on an old and very widely shared localization of the will in the heart rather than the head. In Hebrew scripture, in Egyptian and Greek thought, and throughout medieval European writing, the heart is the organ of decision, allegiance, and moral orientation — not merely of feeling — which is why hardening the heart, searching the heart, and turning the heart are all consequential acts rather than emotional descriptions. English inherited that framework, and the idiom preserves the distinction precisely: a change of mind is a revised opinion, arrived at by argument and reversible by better argument, while a change of heart is a shift in what a person is disposed toward, which is why it implies something deeper, slower, and considerably harder to talk anyone into.

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