In the context of the Bible, "The One Who Does Not Believe" refers to individuals who reject or do not accept the message of the Gospel and the truth of Jesus Christ as the Son of God. This concept is addressed in various passages throughout the Scriptures, highlighting both the spiritual state and the consequences of unbelief.

Biblical References:

1. John 3:18 · "Whoever believes in Him is not condemned, but whoever does not believe has already been condemned, because he has not believed in the name of God’s one and only Son." This verse underscores the gravity of unbelief, indicating that condemnation is a present reality for those who reject Christ.

2. John 3:36 · "Whoever believes in the Son has eternal life. Whoever rejects the Son will not see life. Instead, the wrath of God remains on him." Here, the contrast between belief and unbelief is stark, with eternal life promised to believers and divine wrath remaining on those who do not believe.

3. Hebrews 3:12 · "See to it, brothers, that none of you has a wicked heart of unbelief that turns away from the living God." This admonition warns against the dangers of a heart hardened by unbelief, which leads one away from God.

4. Mark 16:16 · "Whoever believes and is baptized will be saved, but whoever does not believe will be condemned." This passage emphasizes the necessity of faith for salvation, with unbelief resulting in condemnation.

5. 2 Corinthians 4:4 · "The god of this age has blinded the minds of unbelievers, so they cannot see the light of the gospel of the glory of Christ, who is the image of God." This verse highlights the spiritual blindness that afflicts those who do not believe, a condition attributed to the influence of Satan.

Theological Implications:

Unbelief is not merely a passive state but is often depicted as an active rejection of God's revelation. It is considered a sin that separates individuals from God and His promises. The Bible presents faith as the means by which one is justified and reconciled to God, making unbelief a significant barrier to salvation.

Consequences of Unbelief:

The Scriptures consistently warn of the dire consequences of unbelief. These include spiritual death, separation from God, and eternal judgment. The New Testament, in particular, stresses that faith in Jesus Christ is the only path to eternal life, and thus, unbelief results in missing out on the salvation offered through Him.

Call to Faith:

Despite the serious nature of unbelief, the Bible also extends a call to faith and repentance. The message of the Gospel is one of hope and redemption, inviting all to believe in Jesus Christ and receive the gift of eternal life. The persistent theme is that while unbelief leads to condemnation, faith opens the door to a restored relationship with God and the promise of eternal life.