Psalms (Author Moses, David, Solomon, Asaph, Heman, Ethan, sons of Korah, compiled by Ezra)
71:18Now also, when I am old and greyheaded, O God, forsake me not, until I have proclaimed thine arm unto this generation, thy might to every one that is to come.
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.