Sahih al-Bukhari:Gifts:Hadith 2531
حَدَّثَنَا الْحُمَيْدِيُّ، أَخْبَرَنَا سُفْيَانُ، قَالَ سَمِعْتُ مَالِكًا، يَسْأَلُ زَيْدَ بْنَ أَسْلَمَ قَالَ سَمِعْتُ أَبِي يَقُولُ، قَالَ عُمَرُ ـ رضى الله عنه ـ حَمَلْتُ عَلَى فَرَسٍ فِي سَبِيلِ اللَّهِ، فَرَأَيْتُهُ يُبَاعُ، فَسَأَلْتُ رَسُولَ اللَّهِ صلى الله عليه وسلم فَقَالَ ‏ "‏ لاَ تَشْتَرِ، وَلاَ تَعُدْ فِي صَدَقَتِكَ ‏"‏‏.‏

Once I gave a horse (for riding) in Allah’s Cause. Later I saw it being sold. I asked Allah’s Messenger (ﷺ) (whether I could buy it). He said, “Don’t buy it, for you should not get back what you have given in charity.”

Narrator: Umar ibn Al-Khattab
Chain of Narration (Isnad)

Hadith Grading

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Scholarly Consensus: Sahih