He only is my rock and my salvation; he is my defence; I shall not be greatly moved.
He only is my rock and my salvation ... my defense - or 'high places.' The accumulated names of God as the "ONLY" Saviour are so many shields to ward off Satan's fiery darts. The name 'Elohiym (H430) is used for God throughout, as the general name forms the most suitable contrast to all that is human and earthly.
I shall not be greatly moved - (Psalms 37:24.) I may meet slight stumbles, but I shall not be greatly and finally moved from my solid footing. Temptations and afflictions move somewhat for a time, but the believer at last can say with Paul, "None of these things move me" (Acts 20:24). So in Psalms 62:6, where he regards the trifling shakes as exceptions not worth noticing, he says - "I shall not be moved."