Sahih Bukhari
Judgments (Ahkaam)
Volume: 009 / Book Number: 089 / Hadith Number: 327
Narrated Jubair bin Mut'im:
A woman came to the Prophet and spoke to him about something and he told her to return to him. She said, "O Allah's Apostle! If I come and do not find you?" (As if she meant, "...if you die?") The Prophet said, "If you should not find me, then go to Abu Bakr."