C.H. Spurgeon emphasizes the unchanging nature of God amidst the constant changes and troubles of life, highlighting that while everything else may fade or alter, God remains steadfast and eternal. He draws parallels between the stability found in God and the comfort a mariner feels upon reaching solid ground after a storm. Spurgeon reassures believers that God's attributes—His power, wisdom, justice, and love—are immutable, providing a refuge and stronghold for His people in times of trouble. The sermon underscores the precious assurance that God's love is everlasting and unchanging, offering hope and stability in a tumultuous world.