Don Carson's The Cross and Christian Ministry is a very fine book. Clear, engaging, practical, gospel-rich.
David's Psalm 8 response to man's elevation: not logical explanation, but awe-filled jubilation. O Lord, our Lord, how majestic is your name
In Ps 8, David's not just blown away by the size of the cosmos, but by the size of the Creator of the cosmos. He made it with His fingers.