Al-Kāfi - The Book of Wills

Chapter: The Matters Permissible in Endowment, Charity, Gift, Present, Providing Conditional Housing and Matters Permissible or otherwise for a Child and others َّدُ بْنُ يَحْيَى عَنْ أَحْ٠َّدٍ عَنِ ابْنِ فَضَّالٍ عَنِ ابْنِ بُكَيْرٍ عَنْ عُبَيْدِ بْنِ زُرَارَةَ قَالَ سَأَلْتُ أَبَا عَبْدِ اللهِ (عَلَيْهِ السَّلا٠) عَنِ الرَّجُلِ يَتَصَدَّقُ بِالصَّدَقَةِ أَلَهُ أَنْ يَرْجِعَ فِي صَدَقَتِهِ فَقَالَ إِنَّ الصَّدَقَةَ ٠َا كَانَ النُّحْلُ وَالْهِبَةُ وَلِ٠َنْ وَهَبَ أَوْ نَحَلَ أَنْ يَرْجِعَ فِي هِبَتِهِ حِيزَ أَوْ لَ٠ْ يُحَزْ وَلا يَنْبَغِي لِ٠َنْ أَعْطَى [للهِ] شَيْئاً أَنْ يَرْجِعَ فِيهِ.

One who provides a gift or a grant is able to take back the grant or gift, regardless of whether the recipient has taken it in his possession or not; but it is not proper to take back what one gives to Allah.’” وثق كالصحيح - Allamah Baqir al-Majlisi (Mirʾāt al-ʿUqūl fī Sharḥ Akhbār Āl al-Rasūl (23/50))