“He who knows only his own side of the case, knows little of that. His reasons may be good, and no one may have been able to refute them. But if he is equally unable to refute the reasons on the opposite side; if he does not so much as know what they are, he has no ground for preferring either opinion.”

— John Stuart Mill , book On Liberty

Source: On Liberty (1859), Ch. II: Of the Liberty of Thought and Discussion

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John Stuart Mill 179

British philosopher and political economist 1806–1873

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John Stuart Mill 179

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