 For example, it admits the possibility of reincarnation, which is generally rejected by non-mystical Jewish theologians and philosophers.It also believes in a triple soul, of which the lowest level ("nefesh" or animal life) dissolves into the elements, the middle layer ("ruach" or intellect) goes to "Gan Eden" (Paradise) while the highest level ("neshamah" or spirit) seeks union with God.Many Jews consider "Tikkun Olam" (or Repairing the world) as a fundamental motivating factor in Jewish ethics.