Daniel 7:9, 13

As I looked on, I observed a heavenly courtroom. Various thrones were being arranged until the Ancient of Days took his seat. His clothing was as white as snow, and his hair was white like perfectly clean wool. His throne was a tempest of fiery flames, set upon wheels of blazing fire.

Then, as I was looking on in my night visions, suddenly I saw one like a son of man coming in the midst of the clouds of heaven. He was ushered into the presence of the Ancient of Days and presented before him.