Why is believing Christ’s promises important for Christians?

In John 16:33, Jesus explains that in this world, we will have tribulation, but we are called to be of good cheer because He has overcome the world. For Christians, trusting in God's promises is crucial because it provides a foundation of hope that transcends our current sufferings. When we forget His promises, as the disciples did on the road to Emmaus, we can fall into unbelief, which leads to sadness and confusion. It is through recalling His promises, such as 'all things work together for good' (Romans 8:28), that our hearts are steadied and our joy is restored. Therefore, anchoring our faith in His Word enables us to face life's challenges with courage and assurance.