This verse talks about salvation versus condemnation. Those who believe in Jesus will be saved. Their sins are forgiven. They become heirs of God with Christ. But those who do not believe in Jesus will be condemned.
Condemnation is the same as eternal punishment.
Today many people take the gospel lightly. They live to satisfy their own desires and ambition. They will be condemned to eternal punishment. The only way to be saved from eternal punishment is to believe the gospel. The gospel is absolute.