Musnad Ahmad 33:226

Hashim and Hassan narrated to us, they said: Zuhayr narrated to us. Hashim said in his narration: Abu al-Zubayr narrated to us, from Jabir, who said: The Messenger of Allah (peace and blessings of Allah be upon him) said: "A resident shall not sell for a bedouin. Leave the people, that Allah may provide for some of them through others." *** Hashim ibn al-Qasim narrated to us, Zuhayr narrated to us, Abu al-Zubayr narrated to us, from Jabir, who said: The Messenger of Allah (peace and blessings of Allah be upon him) said: "Retain your wealth for yourselves and do not squander it; for whoever is granted a life-gift (*umra*), it belongs to the one to whom it was granted, in life and in death, and to his descendants."