The sermon explores the theological concept of God's decrees, emphasizing that God's actions, both in creation and providence, are rooted in His eternal purpose and will, not reactions to external events. Drawing from Scripture, particularly Ephesians 1 and Isaiah 40, it highlights God's sovereignty and predestination, asserting that all things come to pass according to His predetermined plan, while simultaneously affirming the importance of union with Christ and a humble recognition of God's perfect knowledge, ultimately offering a foundation for peace and trust in the face of life's uncertainties.