Psalms (Author Moses, David, Solomon, Asaph, Heman, Ethan, sons of Korah, compiled by Ezra)
Chapter 18
2The LORD is my rock, and my fortress, and my deliverer; my God, my strength, in whom I will trust; my buckler, and the horn of my salvation, and my high tower.
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.