David Wilkerson emphasizes that Jesus remains faithful and caring through our difficult seasons, reminding us that we carry the treasure of His presence within our frail, earthly bodies. He explains that while we may experience bad days and mental infirmities, these do not define our spiritual state or relationship with God. Wilkerson highlights the importance of recognizing our weaknesses and turning to God for strength, as we are not alone in our struggles. He reassures us that our worth is not based on our works but on our identity as children of God, empowered by the Holy Spirit to overcome doubts and fears. Ultimately, we are encouraged to stand firm in faith, trusting in God's promises during our trials.