George Q. Cannon, addressing Brigham Young's teachings on origin of our spirit and physical body: Brigham means that man's origin, both physical and spiritual, to be heavenly.
George Q. Cannon, "Origin of Man," The Latter-day Saints' Millennial Star 23, no. 41 (October 12, 1861): 654
President Young, in the foregoing passages, while substantiating the fact of the union of man's pre-existing spirit with a bodily produce of the "dust of the ground," enters more particularly into the modus operandi of that union. He unmistakably declares man's origin to be altogether of a celestial character—that not only is his spirit of heavenly descent, but his bodily organization too,—that the latter is not taken from the lower animals, but from the originally celestial body of the great Father of humanity.