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كتاب النفقات
69  
Supporting the Family
(9)
Chapter: If a man does not provide for his family
(9)
باب إِذَا لَمْ يُنْفِقِ الرَّجُلُ فَلِلْمَرْأَةِ أَنْ تَأْخُذَ بِغَيْرِ عِلْمِهِ مَا يَكْفِيهَا وَوَلَدَهَا بِالْمَعْرُوفِ
Sahih al-Bukhari 5364

Narrated `Aisha:

Hind bint `Utba said, "O Allah's Messenger (ﷺ)! Abu Sufyan is a miser and he does not give me what is sufficient for me and my children. Can I take of his property without his knowledge?" The Prophet (ﷺ) said, "Take what is sufficient for you and your children, and the amount should be just and reasonable.

حَدَّثَنَا مُحَمَّدُ بْنُ الْمُثَنَّى، حَدَّثَنَا يَحْيَى، عَنْ هِشَامٍ، قَالَ أَخْبَرَنِي أَبِي، عَنْ عَائِشَةَ، أَنَّ هِنْدَ بِنْتَ عُتْبَةَ، قَالَتْ يَا رَسُولَ اللَّهِ إِنَّ أَبَا سُفْيَانَ رَجُلٌ شَحِيحٌ، وَلَيْسَ يُعْطِينِي مَا يَكْفِينِي وَوَلَدِي، إِلاَّ مَا أَخَذْتُ مِنْهُ وَهْوَ لاَ يَعْلَمُ فَقَالَ ‏ "‏ خُذِي مَا يَكْفِيكِ وَوَلَدَكِ بِالْمَعْرُوفِ ‏"‏‏.‏
Reference : Sahih al-Bukhari 5364
In-book reference : Book 69, Hadith 14
USC-MSA web (English) reference : Vol. 7, Book 64, Hadith 277
  (deprecated numbering scheme)