Musnad Ahmad 33:1070

Surayj narrated to us, Hushaym narrated to us, Ali ibn Zayd informed us, from Muhammad ibn al-Munkadir, from Jabir ibn Abdullah, who said: The Messenger of Allah (peace and blessings of Allah be upon him) said: "Indeed, what is between my pulpit and my chamber is a garden from the gardens of Paradise, and my pulpit is upon a cistern from the cisterns of Paradise."