Hadith
The highest-grade hadith — Sahih al-Bukhari and Sahih Muslim.
What is a hadith?
A hadith is a report of what the Prophet Muhammad ﷺ said, did, or approved of, passed down through a chain of narrators (isnad). Scholars graded each report by how reliable that chain is; the strongest grade is sahih (“sound”). This collection shows only the highest-grade hadith.
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Compiled by Imam al-Bukhari over some sixteen years from a pool of hundreds of thousands of narrations, Sahih al-Bukhari is regarded by Sunni Muslims as the most authentic book after the Qur'an. Every report here met his strict conditions for an unbroken, reliable chain of transmission (isnad). It is arranged into topical books (kutub) — from the beginning of revelation and faith to prayer, dealings, and manners.
Compiled by Imam Muslim, a contemporary of al-Bukhari, Sahih Muslim is the second of the two most authentic collections — together they are called the Sahihayn. Muslim gathered all the chains of a single narration in one place and is especially prized for the care and precision of its isnads.