Khalid bin al-Harith bin 'Ubaid خالد بن الحارث بن عبيد · The Book of Zakah

the Messenger of Allah enjoined Zakatul-Fitr at the end of Ramadan upon the people; a Sa' of dates or a Sa' of barley, upon everyone, free or slave, male or female, of the Muslims.

"The Messenger of Allah said: 'Give charity.' A man said: 'O Messenger of Allah, I have a Dinar.' He said: 'Spend it on yourself.' He said: 'I have another.' He said: 'Spend it on your wife.' He said: 'I have another.' He said: 'Spend it on your son.' He said: 'I have another.' He said: 'Spend it on your servant.' He said: 'I have another.' He said: 'You know best (what to do with it)."'

"One day we were sitting in the Masjid with a group of the Muhajirin and Ansar, We sent a man to 'Aishah to ask permission to come to her. She said: 'A beggar came in to me one day when the Messenger of Allah was present, and I ordered that he be given something, then I called for it and looked at it. The Messenger of Allah said: Do you want that nothing should enter or leave your house without…