The Atzmus or "Essence" points to various positions within Judaism inclusive of the Bible and the Kabbalah which address the Ein Sof vs the Personal Deity essences of the God who appeared to Moses through the Burning Bush. It's the position of Rabbi Wayne Dosick that the word "Anochi" in the Hebrew Bible refers to Atzmus as (what we might call Purusha or the Ground of Being). He makes a good case for this imo after reading his book, but there are attempted refutations online. In any event, again imo, one can make a very strong case for the concept of Purusha (the Ein Sof or Anochi) and thus pointing to Enlightenment, but this orientation and that of emphasis on the Personal Deity YHVH are both merged together in the text. A careful analysis coupled with meditative practice may reveal that indeed, there is an Enlightenment Tradition in the OT that unfortunately has been obscured especially by deliberate means during the last two thousand, five-hundred years or so.
Atzmus - Wikipedia https://en.wikipedia.org/wiki/Atzmus#/media/File:The_Plain_before_Sinai,_where_the_Israelites_were_Encamped._(1884)_-_TIMEA.jpg https://en.wikipedia.org/wiki/Atzmus#/media/File:The_Plain_before_Sinai,_where_the_Israelites_were_Encamped._(1884)_-_TIMEA.jpg Atzmus - Wikipedia https://en.wikipedia.org/wiki/Atzmus#/media/File:The_Plain_before_Sinai,_where_the_Israelites_were_Encamped._(1884)_-_TIMEA.jpg Atzmus/Atzmut (עצמות from the Hebrew Etzem עצם) meaning "essence", is the descriptive term referred to in Kabbalah, and explored in Hasidic thought, for t... View on en.wikipedia.org https://en.wikipedia.org/wiki/Atzmus#/media/File:The_Plain_before_Sinai,_where_the_Israelites_were_Encamped._(1884)_-_TIMEA.jpg Preview by Yahoo