Explore the transformative journey of becoming spiritually fit for service with our deep dive into Ephesians 4:17-24. This sermon unpacks the perils of an ineffective mind, the hardening of the heart, and the life-changing power of mind renewal. Discover how sin and ignorance contribute to spiritual ineffectiveness and how a callous heart can lead to a life of sin. Learn the steps to renew your mind through Christ's teachings, making you fit for service in God's kingdom.