tokens: In early Rabbinic Judaism ( the early centuries of the 1st millennium CE ) , the terms `` Ma'aseh Bereshit '' ( `` Works of Creation '' ) and `` Ma'aseh Merkabah '' ( `` Works of the Divine Throne/Chariot '' ) clearly indicate the Midrashic nature of these speculations ; they are really based upon Genesis 1 and Ezekiel 1 :4–28 , while the names `` Sitrei Torah '' ( Hidden aspects of the Torah ) ( Talmud `` Hag . ''