Sahih al-Bukhari 55

Arabic

حَدَّثَنَا حَجَّاجُ بْنُ مِنْهَالٍ، قَالَ حَدَّثَنَا شُعْبَةُ، قَالَ أَخْبَرَنِي عَدِيُّ بْنُ ثَابِتٍ، قَالَ سَمِعْتُ عَبْدَ اللَّهِ بْنَ يَزِيدَ، عَنْ أَبِي مَسْعُودٍ، عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ ‏ "‏ إِذَا أَنْفَقَ الرَّجُلُ عَلَى أَهْلِهِ يَحْتَسِبُهَا فَهُوَ لَهُ صَدَقَةٌ ‏"‏‏.‏

English translation

Narrated Abu Mas'ud: The Prophet (ﷺ) said, "If a man spends on his family (with the intention of having a reward from Allah) sincerely for Allah's sake then it is a (kind of) alms-giving in reward for him

Reference: Sahih al-Bukhari 55, Book of Belief. English translation by Dr. Muhammad Muhsin Khan.