Musnad Ahmad 30:2929

'Abd al-Rahman narrated to us, Hammad narrated to us, from Muhammad ibn Ziyad, who said: I heard Abu Hurayrah say: I heard Abu al-Qasim (peace and blessings of Allah be upon him) say: "The best of the women who ride camels are the most affectionate toward a child, and the most careful regarding a husband's possessions," meaning the women of Quraysh.