For who is God, but the LORD? And who is a rock, except our God?—
PSALM 18. We all know through what difficulties and almost insurmountable obstacles David came to the kingdom. Even to the time of Saul’s death he was a fugitive, and, as it were, an outlaw, and wearily passed his life in fear, amidst many threatenings and dangers of death.
Commenting on Psalm 18:1-50
Some repetitions are not vain repetitions. Second thoughts upon God's mercy should be and often are the best. Like wines on the lees our gratitude grows stronger and sweeter as we meditate upon divine goodness. The verses which we have now to consider are the ripe fruit of a thankful spirit; they are apples of gold as to matter, and they are placed in baskets...
Commenting on Psalm 18:29
Having mentioned his God, the psalmist's heart burns, and his words sparkle; he challenges heaven and earth to find another being worthy of adoration or trust in comparison with Jehovah. His God, as Matthew Henry says, is a None-such. The idols of the heathen he scorns to mention, snuffing them all out as mere nothings when Deity is spoken of.