Patriarchal Blessing of Duncan McArthur given by Joseph Smith, Sr. on November 2, 1836
At a patriarchal blessing Meeting held in the Lord[']s House in Kirtland ... The activity and vigor of youth shall be given thee. old age shall not prevail against thee. ... [you] shall live to see the end of wickedness, see Zion flourish see the winding up scene of this generation and see Jesus Christ come in the clouds of heaven. in power and great glory. These blessings are given to thee on condition of keeping the commandments of God. In the name of Jesus Christ I seal all these on thy head, by the power of the priesthood I seal thee up unto eternal life Amen.
[Source: Patriarchal Blessing Book 1:96, in Early Patriarchal Blessings of the Church of Jesus Christ of Latter-Day Saints, Joseph Smith Sr. (Author), H. Michael Marquardt (Editor), http://amzn.to/rCBHVe]