I saw ahead the rainbow flaming above the tepee of the Six Grandfathers, built and roofed with cloud and sewed with thongs of lightning; and underneath it were all the wings of the air and under them the animals and men. All these were rejoicing, and thunder was like happy laughter.
As I rode in through the rainbow door, there were cheering voices from all over the universe, and I saw the Six Grandfathers sitting in a row, with their arms held toward me and their hands, palms out; and behind them in the cloud were faces thronging, without number, of the people yet to be.

Black Elk Speaks (1961)