The writer speaks of God's ability to protect him as if God were a rock. Alternate translation: "He is the only one who can protect and rescue me" (See: [[rc://en/ta/man/translate/figs-metaphor]])
The writer speaks of God's ability to protect him as if God were a high tower. Alternate translation: "he keeps me away from the grasp of my enemies" (See: [[rc://en/ta/man/translate/figs-metaphor]])