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What are the sources of Islamic law?

The classical consensus: Qurʾan, Sunnah, ijmāʿ (scholarly consensus), and qiyās (reasoning by analogy) — in that order of authority. Each school of fiqh applied them with a slightly different weighting.

2 passages from 2 books in the library

Where the answer comes from

The classical approach.

These passages are drawn from 2 books by Imam al-Ghazali — 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 30: The Condemnation of Self-Delusion
Book 30: The Condemnation of Self-Delusion
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. "The correctness of listening is not determined by narrators but by scholars of usul, or principles in jurisprudence. This is well-established in the rules of usul al-fiqh. Even if narrators meet the basic requirement, they might still be deluded by focusing solely on transmission, neglecting the essentials of religion and the meanings of the reports."

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. "Whatever response is given to their arguments, suffice it to say that it is a sufficient path to prove this point. But let us begin by stating that both the texts [nass] and analogy [qiyas] indicate its permissibility. As for analogy, singing comprises several elements that should be examined individually and collectively."

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Grounded in the Qurʾān, authentic Sunnah, and the four madhāhib. Sourced answers. Never a fatwā — for personal matters, ask a qualified imam. How these answers are made →

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