Musnad Ahmad 1153:430

Sulayman ibn Dawud narrated to us, he said: Husayn informed us, he said: Isma'il ibn Ja'far narrated to us, he said: 'Amr informed me, from Habib ibn Hind al-Aslami, from 'Urwah, from 'Aishah, that the Prophet, peace and blessings of Allah be upon him, said: "Whoever takes the first seven [surahs of the Quran] is a scholar."