Musnad Ahmad 30:2215

'Affan narrated to us, Hammad bin Salamah narrated to us, from Suhayl bin Abi Salih, from his father, from Abu Hurairah, who said: The Messenger of Allah (ﷺ) said: "Indeed, my pulpit is upon a canal from the canals of Paradise, and what is between my pulpit and my chamber is a garden from the gardens of Paradise."