Sahih al-Bukhari 2736

Qutayba ibn Saʿid narrated to us; Muhammad ibn ʿAbd Allah al-Ansari narrated to us; Ibn ʿAwn narrated to us, who said: Nafiʿ informed me, from Ibn ʿUmar (may Allah be pleased with them both), that ʿUmar ibn al-Khattab acquired land at Khaybar and came to the Prophet for advice. He said, “Messenger of Allah, I have acquired land at Khaybar, and I have never had property more precious to me. What do you advise me to do with it?” He replied, “If you wish, retain its principal and give its yield in charity.”

ʿUmar gave it in charity on the condition that it could not be sold, gifted, or inherited. Its yield was for the poor, relatives, the emancipation of slaves, Allah’s cause, travelers, and guests. There was no blame on the person administering it if he ate from it reasonably and fed others without accumulating wealth. Ibn ʿAwn said: I related this to Ibn Sirin, who said, “without accumulating wealth.”