In his sermon on Psalms 90–92, Stephen Davey explains how these three psalms—beginning with Moses’ prayer in Psalm 90—give believers a wise, worshipful, and realistic perspective on the brevity of life and the faithfulness of God. Psalm 90 confronts us with the shortness and seriousness of life as Moses urges God’s people to “number our days” so that we may gain a heart of wisdom. Davey illustrates this with a vase of marbles in his office, each marble representing a remaining month of life—an exercise that is not morbid but motivating, reminding believers to use every remaining “marble” for God’s glory. Moses teaches that life is fragile, fleeting, and full of toil, yet meaningful when lived under God’s favor and for God’s purposes. Psalm 91 then shifts from numbering our days to trusting God with our days. The psalmist describes God as a shelter, shadow, refuge, and fortress—not so believers can coast through life, but so they can confidently engage in ministry with God’s power and presence hovering over them. Finally, Psalm 92—“a song for the Sabbath”—reminds worshipers that it is good to give thanks to the Lord, whose works bring joy and whose nail-pierced hands testify to His redeeming love. Davey highlights that even in old age, the righteous continue to bear fruit, remaining spiritually “full of sap and green,” because God is their rock. He concludes that no matter how many “marbles” remain, every day is a gift to be invested in serving, praising, and representing the Lord faithfully.
Counting Down the Days
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