Musnad Abu Ya'la al-Mawsili 150:48

Muhammad ibn 'Abbad narrated to us, Abu Sa'id narrated to us, from Ibn Lahi'ah, from Abu al-Aswad, from al-Qasim, from 'Aishah, she said: The Messenger of Allah, peace and blessings of Allah be upon him, did not love anyone except a person of piety.