Ibn Khaldun Quotes
The Abbaside Khalifa [Caliphate] collapsed because some ignorant advisors convinced successive Caliphs to impose dramatic increases in taxes to pay for mercenaries and purchase luxury imports. This stupidity killed industry and forced the most prominent and highly skilled craftsmen and traders to flee to India, and even to China
Ibn Khaldoun, 1332-1406, Tunisian Arab Historian, Sociologist, & Diplomat, Kitab al-Ibar (The Universal History)
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Ibn Khaldun was an Arab sociologist, philosopher and historian who has been described as the founder of the modern disciplines of historiography, sociology, economics, and demography. Niccolò Machiavelli of the Renaissance and the 19th-century European scholars widely acknowledged the significance of his works and considered Ibn Khaldun to be one of the greatest philosophers of the Middle Ages.