These psalms focus on the nature of God—His eternity and absolute power—and how human life is fleeting in comparison. Psalm 90, attributed to Moses, reflects on God’s everlasting existence versus our brief time on earth; it reminds us that we must live wisely while trusting His care. Psalm 93 celebrates God's sovereignty over creation: He stands above all, ruling the heavens with authority. Together they prompt us to see beyond our daily struggles and recognize God’s lasting presence.