Everything an Indian does is in a circle, and that is because the power of the world always works in circles, and everything tries to be round. In the old days when we were a strong and happy people, all our power came to us from the sacred hoop of the nation, and so long as the hoop was unbroken the people flourished.
Black Elk (2000). “Black Elk Speaks: Being the Life Story of a Holy Man of the Oglala Sioux”, Bison Books