"The Father has a body of flesh and bone as tangible as man's; the Son also, but the Holy Ghost has not a body of flesh and bones but is a personage of Spirit..."
Doctrine and Covenants, 130:22
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"God was once as we are now and is an exalted man."
Journal of Discourses, Vol. 6, p. 3
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"Remember that God our Heavenly Father was perhaps once a child and mortal like we are and rose step by step in the scale of progress, in the school of advancement; has moved forward and overcome until He has arrived at the point where He now is."
Journal of Discourses, Vol. 2, p. 123
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"When our father Adam came into the Garden of Eden, he came into it with a celestial body and brought Eve, one of his celestial wives, with him...He is our father and our God and the only God with whom we have to do."
Journal of Discourses, Vol. 1, p. 50,
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Brigham Young "God himself was once as we are now, and is an exalted man, and sits enthroned in yonder heavens! I am going to tell you how God came to be God. We have imagined and supposed that God was from all eternity. I will refute that idea, and take away the veil. So that you may see...It is the first principle of the gospel to know for a certainty the character of God, and to know that we may converse with him as one man converses with another, and that he was once a man like us; yea, that God himself, the Father of us all, dwelt on an earth, the same as Jesus Christ himself did; and I will show it from the Bible."
History of the Church, 6:305, 306
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"I am going to inquire after God, for I want you all to know him and to be familiar with Him...God was once as we are now, an exalted man, and sits enthroned in yonder heavens...I am going to tell you how God came to be God. We have imagined and supposed that God was God from all eternity. I will refute that idea, and take away the veil, so that you may see...It is the first principal of the Gospel...and you have got to learn how to be gods yourselves, and to be kings and priests, the same as all gods before you, namely by going from one small degree to another..."
Times and Seasons, August 1, 1844. Joseph Smith.