Thus she ruled undisputed within her own domain, and was to us a tower of moral and spiritual strength, until the coming of the border white man, the… - Charles Eastman

In every religion there is an element of the supernatural, varying with the influence of pure reason over its devotees.

Sitting Bull joined in the attack on Fort Phil Kearny and in the subsequent hostilities; but he accepted in good faith the treaty of 1868, and soon after it was signed he visited Washington. ... [He] hoped [for] close adherence to the terms of this treaty to preserve the Big Horn and Black Hills country for a permanent hunting ground. When gold was discovered and the irrepressible gold seekers made their historic dash across the plains into this forbidden paradise, then his faith in the white man's honor was gone forever.

Red Cloud’s position was uncompromisingly against submission... “Friends,” said Red Cloud, “it has been our misfortune to welcome the white man. We have been deceived. He brought with him some shining things that pleased our eyes; he brought weapons more effective than our own: above all, he brought the spirit water that makes one forget for a time old age, weakness, and sorrow. But I wish to say to you that if you would possess these things for yourselves, you must begin anew and put away the wisdom of your fathers. You must lay up food, and forget the hungry. When your house is built, your storeroom filled, then look around for a neighbor whom you can take at a disadvantage, and seize all that he has! My countrymen, shall the glittering trinkets of this rich man, his deceitful drink that overcomes the mind, shall these things tempt us to give up our homes, our hunting grounds, and the honorable teaching of our old men? Shall we permit ourselves to be driven to and fro—to be herded like the cattle of the white man?”