Sha'bi reported that Ibn Abbas (RA) met Ka'b (RA) at Arafat. He asked him (Ka'b) about something and he began to call the takbir (Allah Akbar) till it echoed from the mountain. Ibn Abbas (RA) said, "We are children of Hashim." Ka'b said, "Surely, Allah divided His vision and speach between Muhammad and Musa. Musa conversed with Him twice and Muhammad saw Him twice." Masruq said that he went to Sayyidah Ayshah (RA) and asked her, "Did Muhammad see his Lord"? She said, "You have certainly said something that makes my hair stand on ends." He said, "Be patienet." Then he recited: "Certainly he saw of the greatest signs of his Lord." (53: 18) She said, "Where are you senses? That was only Jibril. Who informed you that Muhammad saw his Lord? Or, Muhammad concealed something (from his ummah) of what Allah had commanded him? Or, that he knew the five things of which Allah says: "Surely the knowledge of the Hour is with Allah alone, and He sends down the rain?"
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(31: 34) That man lies. But of course, Muhammad (SAW) did see Jibril and he saw him in his real appearance only twice, once at the sidratul muntaha and the second time at Jiyad, he has six hundred wings that covered the horzion."
[Ahmed 26099, Bukhari 3234, Muslim 177]