Why is the manifestation of the sons of God important for Christians?

In Romans 8:19, Paul discusses the earnest expectation of creation awaiting the manifestation of the sons of God. This event will publicly demonstrate God's children and their final glorification. For Christians, this is crucial as it reassures them of their salvation and the hope of eternal life free from suffering and sin. It marks the moment when God’s redemptive plans culminate, and believers’ inheritance as joint heirs with Christ is fully realized. This promise provides comfort and encourages faith amidst present sufferings.