Mental
Why Certainty Might Be the Enemy of Knowledge
One of history's most precise mathematical minds had a startling belief: certainty is a cognitive weakness. Al-Bīrūnī, who calculated the Earth's circumference to within 200 miles, thought our hunger for absolute answers was exactly what kept us from finding truth.
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The thinker
Medieval Scholar of Cultures
Al-Bīrūnī (973-1048) was a Persian polymath who revolutionized the study of other cultures by refusing to impose his own categories on foreign ideas, instead learning Sanskrit to understand Indian thought on its own terms.
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