Maxims of Fiqh | Al-Qawa'id Al-Fiqhiyyah By Shaykh Abdur Rahman Nasir as-Sa'di

The maxims of fiqh (al-qawa'id al-fiqhiyyah) are comprehensive principles that unite hundreds of subsidiary rulings under a single statement, allowing the student to understand not just what a ruling is but why it is what it is. Mastering them moves a student of fiqh from someone who memorizes rulings to someone who understands the logic of the Shari'ah.

Maxims of Fiqh by Shaykh Abdur-Rahman Nasir as-Sa'di is one of three works the Shaykh dedicated to this science — a clear treatment of the major legal maxims drawn from the Qur'an and Sunnah, presented in a way that serves both the advanced student and the educated Muslim seeking to deepen their understanding.

What This Book Covers

The Five All-Encompassing Maxims

The foundation of the entire science rests on five comprehensive maxims recognized across the schools of fiqh: all matters are judged by their intentions; certainty is not removed by doubt; hardship entails ease; harm is to be eliminated; and customary practice carries legal weight. Shaykh as-Sa'di explains each of these with their Qur'anic and Sunnah basis and their applications across the range of fiqh topics.

The Subsidiary Maxims and Their Applications

Beyond the five major maxims, the science encompasses dozens of subsidiary principles that govern specific areas of Islamic law. The Shaykh presents these with their evidence and illustrates how they function in practice — helping the reader see the coherence and wisdom in the Shari'ah's rulings rather than experiencing them as an unconnected list.

The Science of Legal Maxims in Its Context

The book also situates al-qawa'id al-fiqhiyyah within the broader structure of Islamic legal sciences — distinguishing maxims from legal precepts (dawabit), explaining their history, and showing how they function alongside the primary sources.

About the Author

Shaykh Abdur-Rahman Nasir as-Sa'di (1307–1376 AH / 1889–1957 CE) taught in Unayzah in the Qaseem region, where his students included Shaykh Ibn Uthaymin. He wrote across tafsir, fiqh and the sciences of the heart; his writing is marked by clarity and structure. Published by Dar Makkah International.

Who This Book Is For

Intermediate and advanced students of Islamic knowledge who want to move beyond memorizing rulings to understanding the principles that generate them. Also valuable for anyone studying usul al-fiqh who wants to see the maxims applied, and for teachers of Islamic law looking for a clear foundational text.

Continue Reading

Browse more works by Shaykh Abdur-Rahman Nasir as-Sa'di. This is a work of legal principles rather than rulings — for the rulings themselves, see our guide to the best fiqh books on Islamic rulings and browse the full fiqh and Islamic rulings collection. For the rest of this author's works, see Books by as-Sa'di: where to start.