Language:
كتاب الصوم
30  
Fasting
(61)
Chapter: Whoever visited some people and did not break his (optional) Saum (fast) with them
(61)
باب مَنْ زَارَ قَوْمًا فَلَمْ يُفْطِرْ عِنْدَهُمْ
Sahih al-Bukhari 1982

Narrated Anas:

The Prophet (ﷺ) paid a visit to Um-Sulaim and she placed before him dates and ghee. The Prophet (ﷺ) said, "Replace the ghee and dates in their respective containers for I am fasting." Then he stood somewhere in her house and offered an optional prayer and then he invoked good on Um-Sulaim and her family. Then Um-Sulaim said, "O Allah's Messenger (ﷺ)! I have a special request (today)." He said, "What is it?" She replied, "(Please invoke for) your servant Anas." So Allah's Messenger (ﷺ) did not leave anything good in the world or the Hereafter which he did not invoke (Allah to bestow) on me and said, "O Allah! Give him (i.e. Anas) property and children and bless him." Thus I am one of the richest among the Ansar and my daughter Umaina told me that when Al-Hajjaj came to Basra, more than 120 of my offspring had been buried.

حَدَّثَنَا مُحَمَّدُ بْنُ الْمُثَنَّى، قَالَ حَدَّثَنِي خَالِدٌ ـ هُوَ ابْنُ الْحَارِثِ ـ حَدَّثَنَا حُمَيْدٌ، عَنْ أَنَسٍ ـ رضى الله عنه ـ دَخَلَ النَّبِيُّ صلى الله عليه وسلم عَلَى أُمِّ سُلَيْمٍ، فَأَتَتْهُ بِتَمْرٍ وَسَمْنٍ، قَالَ ‏"‏ أَعِيدُوا سَمْنَكُمْ فِي سِقَائِهِ، وَتَمْرَكُمْ فِي وِعَائِهِ، فَإِنِّي صَائِمٌ ‏"‏‏.‏ ثُمَّ قَامَ إِلَى نَاحِيَةٍ مِنَ الْبَيْتِ، فَصَلَّى غَيْرَ الْمَكْتُوبَةِ، فَدَعَا لأُمِّ سُلَيْمٍ، وَأَهْلِ بَيْتِهَا، فَقَالَتْ أُمُّ سُلَيْمٍ يَا رَسُولَ اللَّهِ، إِنَّ لِي خُوَيْصَةً، قَالَ ‏"‏ مَا هِيَ ‏"‏‏.‏ قَالَتْ خَادِمُكَ أَنَسٌ‏.‏ فَمَا تَرَكَ خَيْرَ آخِرَةٍ وَلاَ دُنْيَا إِلاَّ دَعَا لِي بِهِ قَالَ ‏"‏ اللَّهُمَّ ارْزُقْهُ مَالاً وَوَلَدًا وَبَارِكْ لَهُ ‏"‏‏.‏ فَإِنِّي لَمِنْ أَكْثَرِ الأَنْصَارِ مَالاً‏.‏ وَحَدَّثَتْنِي ابْنَتِي أُمَيْنَةُ أَنَّهُ دُفِنَ لِصُلْبِي مَقْدَمَ حَجَّاجٍ الْبَصْرَةَ بِضْعٌ وَعِشْرُونَ وَمِائَةٌ‏.‏ حَدَّثَنَا ابْنُ أَبِي مَرْيَمَ، أَخْبَرَنَا يَحْيَى، قَالَ حَدَّثَنِي حُمَيْدٌ، سَمِعَ أَنَسًا ـ رضى الله عنه ـ عَنِ النَّبِيِّ صلى الله عليه وسلم‏.‏
Reference : Sahih al-Bukhari 1982
In-book reference : Book 30, Hadith 89
USC-MSA web (English) reference : Vol. 3, Book 31, Hadith 203
  (deprecated numbering scheme)