It is a mistake to suppose that Sitting Bull, or any other Indian warrior, was of a murderous disposition. It is true that savage warfare had grown m… - Charles Eastman

To keep the young men and young women strictly to their honor, there were observed among us, within my own recollection, certain annual ceremonies of a semi-religious nature. One of the most impressive of these was the sacred “Feast of Virgins,” which, when given for the first time, was equivalent to the public announcement of a young girl’s arrival at a marriageable age. The herald ... “Pretty Weasel-woman, the daughter of Brave Bear, will kindle her first maidens’ fire to-morrow! All ye who have never yielded to the pleading of man, who have not destroyed your innocence, you alone are invited, to proclaim anew before the Sun and the Earth, before your companions and in the sight of the Great Mystery, the chastity and purity of your maidenhood. Come ye, all who have not known man!” ... Any man among the spectators might approach and challenge any young woman whom he knew to be unworthy; but if the accuser failed to prove his charge, the warriors were accustomed to punish him severely.

Many of the Indians believed that one may be born more than once, and there were some who claimed to have full knowledge of a former incarnation.

They [Sitting Bull's people] would not have anything of the white man except his hatchet, gun, and knife. They utterly refused to cede their lands; and as for the rest, they were willing to let him alone as long as he did not interfere with their life and customs, which was not long.