Musnad Ahmad 941:87

Yahya ibn Sa'id narrated to us, al-Taymi and Isma'il narrated to us, from al-Taymi, from Abu 'Uthman, from Usamah ibn Zayd, from the Prophet, peace and blessings of Allah be upon him, who said: "I have not left behind me any trial among the people more harmful to men than women."