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Knowledge

What is beneficial knowledge in Islam?

Not every kind of knowledge is beneficial. Al-Ghazali divided the sciences into praiseworthy and blameworthy, and the line he drew is the line most Muslims today have never seen.

10 passages from 8 books in the library

Beneficial knowledge, in al-Ghazali's framing in the Ihya, is the praiseworthy knowledge, which he distinguishes sharply from the blameworthy. The measure he applies is the end a science serves: "what leads to praiseworthy ends is praiseworthy," so knowledge that draws a person toward Allah, obedience and self-examination is the knowledge worth pursuing. He points to the beneficial knowledge Allah grants as guidance, and treats sciences that lead only to worldly ambition or distraction as blameworthy. The line, he notes, is one most people never see drawn.

Drawn from the classical sources below — in the scholars' own words.

Where the answer comes from

The classical approach.

These passages are drawn from 8 books by Imam al-Ghazali and Ibn Kathir — part of the classical Sunni tradition that carries over a thousand years of reflection on the Qurʾān, the authentic Sunnah, and the consensus of the early community. Nothing below is a paraphrase. The words are the scholars' own, translated from the original Arabic manuscripts.

Read them closely. If a passage doesn't sit right, open the full book in the library and listen to the chapter around it. Context in the classical tradition is everything.

Cover of Book 18: The Book of Listening and Ecstasy
Book 18: The Book of Listening and Ecstasy
Imam al-Ghazali · Ihya' 'Ulum al-Din

11th–12th century · Ṭūs, Khurāsān
Reviving the inner life of Islam through the Iḥyāʾ ʿUlūm al-Dīn — one of the most influential works ever written in any religious tradition.
More on Imam al-Ghazali → · Provenance →

  1. "because what leads to praiseworthy ends is praiseworthy. Based on this, it is not forbidden"

  2. "lament of David, peace be upon him, was praiseworthy, as it was accompanied by continuous grief and"

  3. "from his lamentation gatherings. He did this with his words and melodies, and it was praiseworthy,"

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