Umar b. Khattab (Allah be pleased with him) reported:I donated a pedigree horse in the path of Allah. Its possessor made it languish. I thought that he would sell it at a cheap price. I asked Allah's Messenger (ﷺ) about it, whereupon he said: Don't buy it and do not get back your charity, for one who gets back the charity is like a dog who swallows its vomit
This hadith has been narrated on the authority of Malik b. Anas with the same chain of transmitters but with this addition:" Don't buy that even if he gives you for one dirham
Zaid b. Aslam reported on the authority of his father that 'Umar (Allah be pleased with him) donated a horse in the path of Allah. He found that it had languished in the hand of its possessor, and he was a man of meagre resources He (Hadrat 'Umar) intended to buy it. He came to Allah's Messenger (ﷺ) and made a mention of that to him, whereupon he said:Don't buy that even if you get it for a dirham for he who gets back the charity is like a dog which swallows its vomit
This hadith has been narrated on the authority of Zaid b. Aslam with the same chain of transmitters but with this (change) that the hadith transmitted on the authority of Malik and Rauh (he was the son of Qisirn) is more complete and lengthy
Ibn 'Umar reported that 'Umar b. al-Khattib (Allah be pleased with him) donated a horse in the path of Allah and (later on) he found it being sold, and he decided to buy that. He asked the Messenger of Allah (ﷺ) about it. whereupon he (the Holy prophet) said:Don't buy that and do not get back what you gave in charity
This hadith has been narrated on the authority of Ibn Umar through another chain of transmitters
Hadith 4169 — Sahih Muslim 24:7
حَدَّثَنَا ابْنُ أَبِي عُمَرَ، وَعَبْدُ بْنُ حُمَيْدٍ، - وَاللَّفْظُ لِعَبْدٍ - قَالَ أَخْبَرَنَا عَبْدُ الرَّزَّاقِ، أَخْبَرَنَا مَعْمَرٌ، عَنِ الزُّهْرِيِّ، عَنْ سَالِمٍ، عَنِ ابْنِ عُمَرَ، أَنَّ عُمَرَ، حَمَلَ عَلَى فَرَسٍ فِي سَبِيلِ اللَّهِ ثُمَّ رَآهَا تُبَاعُ فَأَرَادَ أَنْ يَشْتَرِيَهَا فَسَأَلَ النَّبِيَّ صلى الله عليه وسلم فَقَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " لاَ تَعُدْ فِي صَدَقَتِكَ يَا عُمَرُ " .
Salim reported from Ibn Umar (Allah be pleased with them) that 'Umar donated a horse in the path of Allah and then found it being sold, and he decided to buy that. He asked Allah's Apostle (ﷺ) about it, whereupon Allah's Messenger (ﷺ) said:Umar, do not get back what you gave as charity
Ibn 'Abbas (Allah be pleased with them) reported Allah's Apostle (ﷺ) having said this:He who gets back his charity is like a dog which vomits, and then returns to that and eats it