Musnad Ahmad 32:625

Hassan narrated to us, Abu Hilal al-Rasibi narrated to us, from Qatadah, from Anas, who said: Rarely did the Messenger of Allah, peace and blessings of Allah be upon him, deliver a sermon to us without saying: "There is no faith for the one who has no trustworthiness, and there is no religion for the one who has no covenant."