David Wilkerson emphasizes the importance of being spiritually prepared for crises, illustrating this through the story of a couple who, despite the tragic loss of their daughter, found supernatural comfort and strength through their relationship with Jesus. Their unwavering faith allowed them to respond with grace and even pray for their daughter's murderer, demonstrating the profound impact of being grounded in faith. The couple's calmness in the face of unimaginable sorrow astonished their community, showcasing the power of God's presence in times of trouble. Wilkerson reminds us that true preparation comes from a deep connection with Christ, enabling us to face any crisis with peace and strength.