Final answer:
The question references 1 Corinthians 15:17 and addresses the significance of the resurrection of Jesus in Christian faith, which assures believers of their salvation and forgiveness of sins.
Step-by-step explanation:
The passage you're referring to is from 1 Corinthians 15:17 in the Bible, which states, "And if Christ be not raised, your faith is vain; ye are yet in your sins." This scripture is emphasizing the importance of the resurrection of Jesus Christ to the Christian faith. Without Christ's resurrection, the foundation of Christian belief that He overcame death and sin for humanity's salvation would be meaningless, and Christians would still be accountable for their sins.
In relation to the verses and references provided, the theme of hope, faith, and the promise of salvation through Christ's sacrifice are prevalent. Just as those who are blessed are depicted rising to heaven with the help of angels, the assurance of Christ's resurrection provides a similar hope of spiritual elevation and salvation for believers. Martin Luther's statement emphasizes that true Christians participate in the blessings of Christ, the quote discussing the city on a hill illustrates the idea of leading by example and living in accordance with one's faith, and the poem about crosses gleaming white speaks to the ultimate peace that is found through sacrifice and faithfulness.