[He is] the tower of salvation for his king: and showeth mercy to his anointed, unto David, and to his seed for evermore. ] (See Gill on Psalms 18:50).
49
And that bringeth me forth from mine enemies: thou also hast lifted me up on high above them that rose up against me: thou hast delivered me from the violent man.
50
Therefore I will give thanks unto thee, O LORD, among the heathen, and I will sing praises unto thy name.
51
He is the tower of salvation for his king: and sheweth mercy to his anointed, unto David, and to his seed for evermore.