THE DANGER OF UNBELIEF
"Therefore I said to you that you will die in your sins; for unless you believe that I am He, you will die in your sins." John 8:24
Repeating His warning from verse 21, Jesus declared that those who reject Him will die in their sins because they refuse to "believe that I am He."
The Lord Himself says that those who reject Him cannot be saved, but will die in their sins. To be a Christian one must believe the full biblical revelation about Jesus: that He is the eternal second person of the Trinity, that He entered space and time as God incarnate, that He was born of a virgin, that He lived a sinless life, that His death on the cross is the only sufficient, substitutionary sacrifice for the sins of all who would ever believe in Him, that He rose from the dead and ascended to the Father in heaven, that He now intercedes for His own redeemed people, and that He will one day return in glory.
Persistent unwillingness to believe the truth about Jesus Christ, by its very nature, precludes the possibility of forgiveness, since salvation comes only through faith in Him (3:16, 36; 6:40; Rom. 10:9-10; 1 John 5:10-13). Those who continue in unbelief, refusing to embrace in faith all that Jesus is and has done, will die in their sin and be lost forever (cf. 3:18, 36; Heb. 2:3). Apart from the knowledge of the gospel of Jesus Christ, no one can be saved.