He gave a horse in charity during the time of the Messenger of Allah ﷺ. Later he saw its owner selling it at a low price, so he came to the Prophet ﷺ and asked him about it.The Prophet ﷺ said, "Do not buy back what you gave in charity."
حدثنا تميم بن المنتصر الواسطي حدثنا إسحق بن يوسف عن شريك عن هشام بن عروة
أنه تصدق بفرس على عهد رسول الله ﷺ فأبصر صاحبها يبيعها بكسر فأتى النبي ﷺ فسأله عن ذلك فقال لا تبتع صدقتك
No references are available.
Bukhari narrated it in Tarikh al-Kabir (6/168) from the hadith of Sharik the judge, with this chain, and in it, Umar bin Urwa bin Umar bin Abdullah bin Umar, from his father, and so on. This is perhaps a scribal error. The hadith has corroborating narrations in Bukhari and Muslim and others, from the hadith of Zayd bin Aslam, from his father, from Umar, with this chain.