Muhammad bin Yahya bin Hiban محمد بن يحيى بن حبان · The Chapters Regarding Zakat

the Messenger of Allah(ﷺ) said: “When you give Zakat, do not forget its reward, and say 'Allahummaj-'alha maghnaman wa la taj-'alha maghrama (O Allah! Make it a gain and do not make it a loss).' ” (Maudu')

Ibn Shihab said: “Salim read to me a letter that the Messenger of Allah had written concerning Sadaqat, before Allah caused him to pass away, in which it was said: 'For five camels one sheep; for ten, two sheep; for twenty, four sheep. For twenty five, a Bint Makhad(a one year old she-camel), up to thirty-five; if there is no Bint Makhad, then a Bin Labun ( a two-year-old male camel). If there are more than thirty-five even one, then…