Musnad Ahmad 32:610

Hassan ibn Musa narrated to us, Hammad ibn Salamah narrated to us, from Thabit, from Anas, that the Messenger of Allah, peace and blessings of Allah be upon him, when he would retire to his bed, he would say: "Praise be to Allah who fed us and gave us drink, and sufficed us and sheltered us; for how many are there who have no one to suffice them and no one to shelter them."