1 Enoch: the Son of Man

The First book of Enoch is one of the Old Testament pseudepigrapha, in other words, a composition attributed to a personage from the Hebrew Bible, but not included in either the Jewish or the Christian Bible. It contains a description of the Son of Man as pre-existent.

[46.1-4] And there I saw the One to Whom belongs the time before time, and His head was white like wool. With Him was another being, whose countenance had the appearance of a man, and his face was full of graciousness, like one of the holy angels. I asked the angel who went with me [...] concerning that son of and who he was, and whence he was, and why he went with the One to Whom belongs the time before time.

He answered and said to me: 'This is the son of man who has righteousness, with whom dwells righteousness, and who reveals all the treasures of that which is hidden, because the Lord of the spirits has chosen him, and whose lot has the pre-eminence before the Lord of the spirits in uprightness for ever. Thi