And Pragapati, looking after them, said: `They both go away without having perceived and without having known the Self, and whoever of these two, whether Devas or Asuras, will follow this doctrine (upanishad), will perish.' Now Virokana, satisfied in his heart, went to the Asuras and preached that doctrine to them, that the self (the body) alone is to be worshipped, that the self (the body) alone is to be served, and that he who worships the self and serves the self, gains both worlds, this and the next.