Sahih Muslim
The Book of Faith (Kitab Al-Iman)
Book Number: 001 / Hadith Number: 331
Al-Shaibani narrated on the authority of Zirr who narrated it on this authority of Abdullah that the (words of Allah):" The heart belied not what he saw" (al Qur'an, Iiii. 11) imply that he saw Gabriel (peace be upon him) and he had six hundred wings.