The 40 Hadith of Imam al-NawawiImam al Nawawi, Foreword by Shaykh Abdullah Anik Misra Known in Arabic simply as the Arba'in, "The Forty," this is without question the most widely known and widely read small compilation of Prophetic hadith. Across the world, from the east to the west, Imam al Nawawi's collection is often the first, and sometimes the only Hadith text many Muslims study in their lives. Each hadith in this collection and serves as a foundational proof text in at least