Sahih Bukhari

Narrated Jubair bin Mut`im:A lady came to Allah's Messenger (ﷺ) and she talked to him about something, and he gave her some order. She said, ""O Allah's Messenger (ﷺ)! If I should not find you?"" He said, ""If you should not find me, then go to Abu Bakr."" Ibrahim bin Sa`d said, ""As if she meant the death (of the Prophet)