The Qurʼān: preservation and compilation
What the ḥadīth, sīra, and classical Muslim scholarship tell us about how the Qurʼān was collected, standardized, and transmitted — including the seven aḥruf, the qirāʾāt, and what early manuscripts add to the picture.
Questions in this hub
- Has the Qurʼān been perfectly preserved?
What the Qurʼān, ḥadīth, and Muslim historiography actually report about how the text was collected and standardized.
- What are the qirāʾāt (variant readings)?
Islam recognizes multiple canonical readings of the Qurʼān. What are they, where did they come from, and how much do they differ?
- What does the Sanʿāʼ palimpsest show?
A pre-Uthmanic Qurʼān manuscript with a lower (erased) text containing real differences from the standard Qurʼān.
- Who compiled the Qurʼān, and when?
The classical Sunni compilation narrative — Abū Bakr's collection, Zayd ibn Thābit's role, and ʿUthmān's standardization — read in its own sources.
- Were any verses lost from the Qurʼān?
Reports in canonical Sunni sources about verses whose wording is no longer in the muṣḥaf — including the famous "verse of stoning."
- What are hadith, and how are they graded?
Hadith are reports about Muhammad’s words, actions, approvals, and events around him. Muslims grade them by transmission and content.