The nature of the Soul

FOR THE SOUL THERE IS NEVER BIRTH NOR DEATH. NOR, HAVING ONCE BEEN, DOES HE EVER CEASE TO BE. HE IS UNBORN, ETERNAL, EVER-EXISTING, UNDYING AND PRIMEVAL. HE IS NOT SLAIN WHEN THE BODY IS SLAIN. THE BHAGAVAD GITA CHAPTER 2.20