Abdullah bin As’ad bin Zorarah Al-Ansari, from his father, from the MESSENGER OF ALLAH (SWT) who said:
When I went to the heavens on the night of Me’raaj, I reached a place made of pearls. The carpets in the place were made of shining gold.
ALLAH (SWT) reveled three of ALI BIN ABI TALEB’s (ASWS) virtures for me.
ALLAH (SWT) said, “ALI (ASWS) is the Master of the Successors and the Master of Muslims; ALI (ASWS) is the Imam of the pious, and ALI (ASWS) is the glorified leader of the companions of Paradise.
(Ref: Bihar al Anwar 18:402, Yaqeeb 177, 179)