al-Fadl bin Dakayn, Abu Na'eem الفضل بن دكين أبو نعيم الملائي · The Book of Zakah

"Jarir said: 'The Messenger of Allah said: When the Zakah collector comes to you, let him leave happy with you."'

"Give Zakah of your fast." The people started looking at one another. So he said: "Whoever is here of the people of Al-Madinah, get up and teach your brothers, for they do not know that the Messenger of Allah has enjoined Salaqatul Fitr upon young and old, free and slave, male and female; half a Sa' of wheat or a Sa' of dates or barely." Al_Hasan said: 'If Allah has given you more, then give more generously of wheat or…