Psalms 144:2

my Goodness, rather, my Mercy, since it was the Lord's unmerited favor which sustained David, and my Fortress, his mountain Stronghold, where he is beyond the reach of his enemies; my high Tower, and my Deliverer, who was able to snatch him out of the midst of troubles; my Shield, to protect him from attacks, and He in whom I trust, in whose care he knew himself to be definitely out of harm's way; who subdueth my people under me, making Israel realize that David's authority was his by divine investment. It is the feeling of, his own unworthiness which moves David to cry out, in view of God's mercy upon him: