Which scriptures stress belief in Jesus?
What other scriptures emphasize the importance of belief in Jesus for salvation?

Starting Point: John 16:9 – The Core Issue

“about sin, because they do not believe in Me.” (John 16:9)

Jesus pinpoints unbelief as the root sin the Holy Spirit exposes. Eternal destiny pivots on what a person does with Him.


Crystal-Clear Calls to Believe in the Gospels

John 3:16 – “For God so loved the world that He gave His one and only Son, that everyone who believes in Him shall not perish but have eternal life.”

John 3:18 – “Whoever believes in Him is not condemned, but whoever does not believe has already been condemned…”

John 6:47 – “Truly, truly, I tell you, he who believes has eternal life.”

John 8:24 – “…unless you believe that I am He, you will die in your sins.”

John 20:31 – “…that by believing you may have life in His name.”

Mark 16:16 – “Whoever believes and is baptized will be saved, but whoever does not believe will be condemned.”

John 1:12 – “To all who did receive Him, to those who believed in His name, He gave the right to become children of God.”


Acts: The Early Church Echoes the Same Message

Acts 4:12 – “Salvation exists in no one else, for there is no other name under heaven given to men by which we must be saved.”

Acts 16:30-31 – “‘Sirs, what must I do to be saved?’ They replied, ‘Believe in the Lord Jesus and you will be saved…’”


Paul’s Letters: Salvation by Faith, Not Works

Romans 10:9-10 – “If you confess with your mouth, ‘Jesus is Lord,’ and believe in your heart that God raised Him from the dead, you will be saved…”

Romans 10:13 – “for, ‘Everyone who calls on the name of the Lord will be saved.’”

Ephesians 2:8-9 – “For it is by grace you have been saved through faith… not by works, so that no one can boast.”


The Apostle John’s Assurance to Believers

1 John 5:11-13 – “This is the testimony: God has given us eternal life, and this life is in His Son… I have written these things to you who believe in the name of the Son of God, so that you may know that you have eternal life.”


Old-Testament Foreshadows of Saving Faith

Genesis 15:6 – “Abram believed the LORD, and it was credited to him as righteousness.”

Habakkuk 2:4 – “…the righteous will live by his faith.”

These previews find their fulfillment in Christ, showing that faith has always been the God-ordained means of receiving righteousness.


A Unified Testimony

From Genesis to Revelation, God speaks with one voice: trusting His Son is the only way to move from condemnation to life. John 16:9 exposes unbelief as humanity’s chief sin; every passage above supplies the remedy—repentant faith in Jesus that secures forgiveness, new birth, and eternal life.

How can John 16:9 guide us in evangelism efforts today?
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