The world may in vain ask the question, '"Who are we?'" But the Gospel tells us that we are the sons and daughters of that God whom we serve. Some say, '"We are the children of Adam and Eve.'" So we are, and they are the children of our Heavenly Father. We are all the children of Adam and Eve, and they and we are the offspring of Him who dwells in the heavens, the highest Intelligence that dwells anywhere that we have any knowledge of. Here we find ourselves, and when infants, the most helpless, and needing the most care and attention of any creatures that come into being on the face of the earth.
...Talk about polygamy! There is no true philosopher on the face of the earth but what will admit that such a system, properly carried out according to the order of heaven, is far superior to monogamy for the raising of healthy, robust children! A person possessing a moderate knowledge of physiology, or who has paid attention to his own nature and the nature of the gentler sex, can readily understand this. ...
[The Complete Discourses of Brigham Young, Ed. Richard S. Van Wagoner, Smith-Pettit Foundation, Salt Lake City (2009), http://bit.ly/BY-discourses]