Abbasid Baghdad · House of Wisdom
Al-Khwarizmi
~780–850 CE · Baghdad, House of Wisdom
“What is the unknown? What do we know? How do we find what is hidden from what is visible?”
Teaches
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Abbasid Baghdad · House of Wisdom
~780–850 CE · Baghdad, House of Wisdom
“What is the unknown? What do we know? How do we find what is hidden from what is visible?”
Teaches
Cambridge & Hanover · Principia & differentials
Newton 1643–1727; Leibniz 1646–1716 · Cambridge & Hanover
“Nature is pleased with simplicity.”
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Madras & Cambridge · notebooks of infinity
1887–1920 · Madras & Cambridge
“An equation for me has no meaning unless it expresses a thought of God.”
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Persian Golden Age · Canon of Medicine
~980–1037 CE · Bukhara & Isfahan
“The world is divided into men who have wit and no religion and men who have religion and no wit.”
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Voyage of the Beagle · natural history
1809–1882 · Shrewsbury & the Beagle
“It is not the strongest of the species that survives, but the most adaptable.”
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Cairo · Book of Optics
~965–1040 CE · Basra & Cairo
“Do not accept what I say because I say it. Test it.”
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Modern physics · thought experiments
1879–1955 · Bern, Zurich & Princeton
“Imagination is more important than knowledge.”
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Paris laboratory · radioactivity
1867–1934 · Paris laboratory
“Nothing in life is to be feared, it is only to be understood.”
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Padua & Florence · Starry Messenger
1564–1642 · Padua & Florence
“In questions of science, the authority of a thousand is not worth the humble reasoning of a single individual.”
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Ghazna & India · Kitab al-Hind
~973–1048 CE · Ghazna & the Indus
“Today we travel not with our feet but with our minds.”
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Baghdad & Damascus · Second Teacher
~872–950 CE · Baghdad & Damascus
“Before we discuss whether X is true, we must agree on what X means.”
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Maghreb & Cairo · Muqaddimah
~1332–1406 CE · Tunis & Cairo
“The past resembles the future more than one drop of water resembles another.”
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Markets & civilizations · Wealth of Nations meets Muqaddimah
Ibn Khaldun ~1332–1406; Adam Smith 1723–1790 · Kirkcaldy & the Maghreb
“It is not from the benevolence of the butcher that we expect our dinner, but from their regard to their own interest. (Smith)”
Teaches
Age of Travel · the Rihla
~1304–1368 CE · Tangier — traveler of the world
“I set out alone, having neither fellow-traveler in whose companionship I might find cheer.”
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Harvard · Principles of Psychology
1842–1910 · Cambridge, Massachusetts
“Before we name what someone is feeling, let us ask: what is it doing for them?”
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Victorian computing · Analytical Engine
1815–1852 · London
“The Analytical Engine weaves algebraic patterns just as the Jacquard loom weaves flowers and leaves.”
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Artukid Diyarbakir · ingenious devices
~1136–1206 CE · Diyarbakir
“Every great invention begins with a problem worth solving.”
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Classical tajweed tradition
Classical tajweed tradition · Classical tajweed tradition
“As the scholars of tajweed established — every letter has a place of articulation.”
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Late Mughal Delhi · Diwan-e-Ghalib
1797–1869 · Delhi, twilight of the Mughal Empire
“ہزاروں خواہشیں ایسی کہ ہر خواہش پہ دم نکلے — Hazaaron khwahishein aisi ke har khwahish pe dam nikle”
Teaches