"Phrenology taught us that the mind thinks by means of the brain, is liable to become fatigued by too long attention, as the locomotive muscles are by too much walking; and I therefore proposed to them to take a brief rest."

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Source : George Combe (2010). “Notes on the United States of North America During a Phrenological Visit in 1838-39-40”, p.84, Cambridge University Press

George Combe

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