Robert Murray M'Cheyne reflects on the unchanging and ceaseless love of God, comparing it to the Mediterranean Sea's constant waves that shape the shore. He emphasizes that, like the sea, God's love is ever-present and unwavering, even when we feel distant or dry in our spiritual lives. M'Cheyne draws parallels between the historical desolation of Israel and God's enduring grace towards His people, reminding us that despite our struggles, His love remains steadfast. The sermon highlights the beauty of God's grace that fills our hearts with peace, even in times of barrenness. Ultimately, it reassures believers of God's unbreakable promises and His love for His chosen ones.