According to John, he who does not believe in the only Son of God is
Answer Details
According to the Gospel of John, he who does not believe in the only Son of God is condemned already. This means that whoever rejects Jesus Christ as the Son of God and Savior is already guilty and deserving of punishment, as they have chosen to separate themselves from God and the salvation that He offers through His Son. This is a warning that emphasizes the importance of faith in Jesus Christ as the only way to eternal life.