Narrated Sa`d bin Abi Waqqas: No man embraced Islam before the day on which I embraced Islam, and no doubt, I remained for seven days as one third of the then extant Muslims.
Hadith ReferenceSahih Bukhari / The Virtues and Merits of The Companions of The Prophet / Hadith: 3727
Hadith Gradingمحدثین:أحاديث صحيح البخاريّ كلّها صحيحة