Fortunately, taking a picture leaves no mark.

Participation in the dance was entirely voluntary, a mental vow to worship the Mystery in this manner being expressed by a man ardently desiring the recovery of a sick relative; or surrounded by an enemy with escape apparently impossible; or, it might be, dying of hunger … since some inscrutable power had swept all game from forest and prairie. Others joined in the ceremony in the hope and firm belief that the Mystery …would grant them successes against the enemy and consequent eminence at home.

I want to make them [American Indians] live forever. It's such a big dream I can't see it all.

Fortunately, taking a picture leaves no mark.

The passing of every old man or woman means the passing of some tradition, some knowledge of sacred rites possessed by no other...consequently the information that is to be gathered, for the benefit of future generations, respecting the mode of life of one of the great races of mankind, must be collected at once or the opportunity will be lost for all time.

For every negative that is a disappointment, there is one that is a joy.

To the oft-asked question, What camera or lens do you use? I can only reply I couldn't tell to save my soul - it is enough for me to know that I have something that will make pictures and that it is in working order.