The 'breaths,' the 'nine doors,' the 'three qualities,' the _purusha_ as identical with ego, are older even than the Br[=a]hmanas (Scherman, _loc.cit_.p.

62).
It is not a new philosophy, it is a new religion that the Upanishads offer.[33] This is no religion of rites and ceremonies, although the cult is retained as helpful in disciplining and teaching; it is a religion for sorrowing humanity.

It is a religion that comforts the afflicted, and gives to the soul 'that peace which the world cannot give.' In the sectarian Upanishads this bliss of religion is ever present.

"Through knowing Him who is more subtile than subtile, who is creator of everything, who has many forms, who embraces everything, the Blessed Lord--one attains to peace without end" (_Cvet_.

4.
14-15).