AI Generated Summary: The central message of the sermon is that God's sovereignty and power are sufficient to equip and empower His chosen servants, even in the face of human weakness, fear, and self-perceived inadequacy. Drawing from Exodus 4, the preacher emphasizes that God's miraculous signs—transforming a staff into a serpent, healing leprosy, and turning Nile water into blood—were not demonstrations of Moses' power but of God's sovereign authority over creation, life, and death. The sermon confronts the common tendency to view personal limitations, such as a speech impediment or suffering, as obstacles to divine service, arguing instead that all circumstances, including hardship, are part of God's sovereign plan for His glory. Through the examples of Moses, the blind man in John 9, and Jesus' submission in Gethsemane, the preacher underscores that true faith involves surrendering one's will to God's purpose, trusting that even in suffering, God's works are displayed and His glory is magnified. The tone is pastoral and convicting, calling believers to embrace God's calling with humility and obedience, knowing that His power is made perfect in weakness.