Musnad Abu Ya'la al-Mawsili 117:41

Abu al-Rabi' al-Zahrani narrated to us, Yusuf ibn 'Atiyyah narrated to us, Thabit narrated from Anas: The Messenger of Allah (peace and blessings of Allah be upon him) said: "The creation are the dependents of Allah, and the most beloved of them to Allah is the most beneficial of them to His dependents."