Musnad Ahmad 30:1305

Hammad ibn Mas'adah narrated to us, Ibn Jurayj narrated to us, from Abu al-Zubayr, from 'Amr ibn Nabhan, from Abu Hurayrah, from the Prophet, peace and blessings of Allah be upon him, who said: "Whoever has three daughters and is patient with their hardships, their difficulties, and their ease, Allah will enter him into Paradise by the virtue of His mercy toward them." A man said: "Or two, O Messenger of Allah?" He said: "Or two." A man said: "Or one, O Messenger of Allah?" He said: "Or one."