The Messenger of Allah ﷺ said, "People, purchase your souls from Allah, the Mighty and Majestic. If any of you is too miserly to give his wealth to others, let him give in charity to himself by eating and clothing himself from what Allah has provided him."
أن رسول الله ﷺ قال: يا أيها الناس ابتاعوا أنفسكم من الله عزوجل، فإن بخل أحدكم أن يعطي ماله الناس فليتصدق على نفسه، فليأكل وليلبس مما رزقه الله.
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Bayhaqi related it in Shuab al-Iman (4250) with his chain through Muhammad bin Walid Busri, who said, Habban bin Hilal told us, Salim bin Hayan told us, Humayd bin Hilal told us, narrating from Abu Qilaba, from Anas, and he mentioned it. Its chain is sahih. Kharaiti related it in Makarim al-Akhlaq (102) from Hammad bin Hasan Warraq, who said, Habban bin Hilal told us, Salim bin Hayan told us, Humayd bin Hilal told us, from Abu Qatada, who said, the Messenger of Allah ﷺ said, and then the hadith. As for his statement "from Abu Qatada," the correct version is likely "from Abu Qilaba," as it appears in the first chain.As for what has been related from Abu Saeed Khudri, who said, the Messenger of Allah ﷺ said, "Two traits cannot coexist in a believer, stinginess and bad character," its chain is daif. Tirmidhi (1962) and Bukhari in Adab al-Mufrad (282) both related it from the hadith of Sadaqa bin Musa, who said, Malik bin Dinar told us, from Abdullah bin Ghalib Haddani, from Abu Saeed Khudri, and he mentioned it. Tirmidhi said, "It is unfamiliar, we do not know it except through the hadith of Sadaqa bin Musa." Sadaqa bin Musa is daif, Abu Dawud and others declared him daif.Likewise, what has been related from Abu Bakr Siddiq, from the Prophet ﷺ, who said, "No deceitful person, no one who reminds others of favors done, and no stingy person will enter Paradise," is not sound either. Tirmidhi (1963) related it from Ahmad bin Mani, who said, Yazid bin Harun told us, Habban bin Hilal told us, Sadaqa bin Musa told us, from Farqad Sabakhi, from Murra Tayyib, from Abu Bakr Siddiq, and he mentioned it. In it, Sadaqa bin Musa is daif, and his teacher Farqad Sabakhi is also daif, and Murra Tayyib did not meet Abu Bakr.Hammam bin Yahya also related it, from Farqad Sabakhi, from Murra, from Abu Bakr, from the Prophet ﷺ, who said, "No one who mistreats those under his authority will enter Paradise." Tirmidhi (1946) related it from Ahmad bin Mani, who said, Yazid bin Harun told us, from Hammam bin Yahya, and he mentioned it. Tirmidhi said, "This is an unfamiliar hadith, and Ayub Sakhtiyani and others have raised concerns about Farqad Sabakhi's memory."Ahmad (13) related it from Abu Saeed, the freed slave of Banu Hashim, who said, Sadaqa bin Musa, the flour merchant, told us, from Farqad, with this chain, and its wording was, "No stingy person, no deceitful person, no traitor, and no one who mistreats those under his authority will enter Paradise. The first to knock on the gate of Paradise will be slaves, if they do well both between themselves and Allah and between themselves and their masters."