Mike Bickle emphasizes the need to establish a spiritual culture based on the teachings of Joel, particularly focusing on the importance of hearing and understanding God's message during unprecedented times of crisis and revival. He urges leaders and the community to pay close attention to the entirety of God's word, ensuring that the next generations are informed and spiritually equipped to face the challenges ahead. Bickle highlights the dual nature of God's message, which includes both judgment and revival, and calls for a relational connection with God that is based on His terms. He stresses the importance of passing down this knowledge to children, creating a legacy of faith that spans generations.