Sahih al-Bukhari 2591
Book 51: Gifts · Narrated by Asma
Arabic
حَدَّثَنَا عُبَيْدُ اللَّهِ بْنُ سَعِيدٍ، حَدَّثَنَا عَبْدُ اللَّهِ بْنُ نُمَيْرٍ، حَدَّثَنَا هِشَامُ بْنُ عُرْوَةَ، عَنْ فَاطِمَةَ، عَنْ أَسْمَاءَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ " أَنْفِقِي وَلاَ تُحْصِي فَيُحْصِيَ اللَّهُ عَلَيْكِ، وَلاَ تُوعِي فَيُوعِيَ اللَّهُ عَلَيْكِ ".
English translation
Narrated Asma:Allah's Messenger (ﷺ) said, "Give (in charity) and do not give reluctantly lest Allah should give you in a limited amount; and do not withhold your money lest Allah should withhold it from you
Reference: Sahih al-Bukhari 2591, Book of Gifts. English translation by Dr. Muhammad Muhsin Khan.