Musnad Ahmad 1153:414

Haytham ibn Kharijah narrated to us, he said: Hafs ibn Maysarah narrated to us, from Hisham ibn Urwah, from his father, from Aisha, that she said: The Messenger of Allah, peace and blessings of Allah be upon him, said: "If Allah, the Almighty and Majestic, intends good for a household, He introduces gentleness among them."