Sahih al-Bukhari, Hadith 3659 ⓘ
Narrated Jubair bin Mut`im: A woman came to the Prophet who ordered her to return to him again. She said, "What if I came and did not find you?" as if she wanted to say, "If I found you dead?" The Prophet said, "If you should not find me, go to Abu Bakr."
حَدَّثَنَا الْحُمَيْدِيُّ، وَمُحَمَّدُ بْنُ عَبْدِ اللَّهِ، قَالاَ حَدَّثَنَا إِبْرَاهِيمُ بْنُ سَعْدٍ، عَنْ أَبِيهِ، عَنْ مُحَمَّدِ بْنِ جُبَيْرِ بْنِ مُطْعِمٍ، عَنْ أَبِيهِ، قَالَ أَتَتِ امْرَأَةٌ النَّبِيَّ صلى الله عليه وسلم فَأَمَرَهَا أَنْ تَرْجِعَ إِلَيْهِ. قَالَتْ أَرَأَيْتَ إِنْ جِئْتُ وَلَمْ أَجِدْكَ كَأَنَّهَا تَقُولُ الْمَوْتَ. قَالَ عَلَيْهِ السَّلاَمُ " إِنْ لَمْ تَجِدِينِي فَأْتِي أَبَا بَكْرٍ " .
also referenced under: Book 62, Hadith 11 (In-Book) & Volume 5, Book 57, Hadith 11 (USC-MSA)