Sahih Muslim | Book 1 | Hadith Number 335
Narrated by Ibn Abbas
It is narrated on the authority of Ibn Abbas that the words: "The heart belied not what he saw" (al-Qur'an, liii. 11) and "Certainly he saw Him in another descent" (al-Qur'an, liii. 13) imply that he saw him twice with his heart.