Why is obedience to Christ’s teachings important?

In John 8:51, Jesus emphasizes the importance of obeying His teachings, stating that it is through this obedience that believers will escape both the fear of physical death and the certainty of the second death. Obedience is not merely an outward act but an expression of genuine faith and relationship with God. Those who are true Christians demonstrate their faith by their works. The assurance of eternal life is promised to those who actively embrace Christ's teachings, making obedience a central aspect of a believer's life and faith.