Musnad Abu Ya'la al-Mawsili 110:272

Zuhayr narrated to us, Husayn ibn Muhammad narrated to us, Isra'il narrated to us, from Simak, from Ikrimah, from Ibn Abbas, who said: The Messenger of Allah (may Allah bless him and grant him peace) said: "The righteous vision is one part out of seventy parts of prophethood."