What does the Bible say about the rejection of the Gospel?

In Luke 10:8-16, Jesus emphasizes the great sinfulness of those who reject the message of the Gospel. He declares that cities like Chorazin and Bethsaida, which witnessed His miracles and preaching, will face greater judgment than infamous cities known for their wickedness, such as Sodom. This demonstrates that spiritual light increases responsibility, and those with greater revelation are held accountable for their unbelief. The rejection of God's grace is not a minor matter; rather, it positions individuals as deeply guilty before God, making them culpable for their refusal to accept His message.