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Volume I · Ancient Greece · 624–262 BCE

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Al-Ghazali

IslamicSufi

Born 1058 CE, Tus

Died 1111 CE

He held the most prestigious teaching post in the Islamic world, then abandoned it. Philosophy had failed him. Only direct experience of God would do.

Al-Ghazali was the most celebrated scholar in Baghdad when, at the height of his career, he suffered a crisis so severe he could not speak or eat. He resigned his position, gave away his wealth, and spent years wandering as a Sufi mystic. His Incoherence of the Philosophers attacked Ibn Sina and Al-Farabi, arguing that their methods could not prove what they claimed about God, the soul, or the eternity of the world. His Revival of the Religious Sciences rebuilt Islamic thought on the foundation of inner experience rather than pure logic.

Places

Ideas

Faith & ReasonSkepticism

Words

“Knowledge without action is vanity, and action without knowledge is insanity.”

— Al-Ghazali

Works

The Incoherence of the Philosophers

·Arabic

Al-Ghazali's devastating critique of Islamic Aristotelianism. He argues that philosophers like Ibn Sina cannot prove the eternity of the world, the nature of God, or the immortality of the soul through reason alone.

Life & Moments

1091 CE

Teaching at the Nizamiyya

Appointed head professor at the Nizamiyya madrasa in Baghdad at age thirty-three, the most prestigious academic post in the Islamic world. He was brilliant, famous, and deeply unhappy.

1095 CE

Crisis and Departure

Suffered a spiritual crisis so severe he could not eat or speak. He abandoned his position, his wealth, and his family, and left Baghdad dressed as a Sufi wanderer. He spent years in solitude in Damascus, Jerusalem, and Mecca.

c. 1095 CE

The Incoherence of the Philosophers

Wrote The Incoherence of the Philosophers, a devastating critique of al-Farabi and Ibn Sina. He did not reject reason entirely but argued that philosophy had overstepped its bounds by claiming certainty about things only God could know.

1111 CE

Death in Tus

Returned to his hometown of Tus in northeastern Iran. He taught a small circle of students and wrote the Revival of the Religious Sciences, his masterwork. He died quietly in 1111, having reshaped the relationship between faith and reason in Islam.

Influence

Influenced by

  • ←
    Ibn Sinatarget of critique

    Al-Ghazali's Incoherence of the Philosophers was aimed primarily at Ibn Sina's metaphysics.

  • ←
    Al-Ash'aritheological school

    Al-Ghazali worked within, and brought to its height, the Ash'ari theology that al-Ash'ari had founded.

Influenced

  • →
    Ibn Rushdtarget of counter-critique

    Ibn Rushd wrote the Incoherence of the Incoherence as a direct response to Al-Ghazali.

Related Thinkers

Ibn Rushd

1126 CE – 1198 CE

Ibn Sina

980 CE – 1037 CE

A

Al-Ash'ari

874 CE – 936 CE

Read the Journey →Compare with Ibn Rushd

Thinkers

A story-first philosophy atlas. Explore history's greatest thinkers through place, time, movement, and ideas.

Explore

  • Thinkers
  • Atlas
  • Works

Browse

  • Concepts
  • Volumes

About

  • About Thinkers
  • Image Credits

Volume I · Ancient Greece · 624–262 BCE