Musannaf Ibn Abi Shayba 33:648

Ubaydah ibn Humayd narrated to us, from Mansur, from Hilal ibn Yasaf, who said: Masruq said: "Whoever is pleased to know the knowledge of the first and the last, and the knowledge of the world and the Hereafter, then let him read Surah al-Waqi'ah."