Job clung to the hope of a Savior to come, even without having the complete Bible. His friends falsely claimed Job was suffering due to hidden sin and that God would not act unjustly. Job maintained his faith in God even if he was killed, trusting in God's salvation. Centuries later, Paul explained this hope was fulfilled by Christ's resurrection, which guarantees believers' resurrection as well. God conceived a plan of salvation for humanity before creation in response to the possibility of sin. The entire Bible progressively reveals this plan being carried out to provide hope and salvation for all.