Luke 20:5
They discussed and debated it among themselves, saying, “If we say, ‘From heaven,’ He will say, ‘Why did you not believe him?’
John 1:15-18
John testified [repeatedly] about Him and
John 1:30
This is He on behalf of whom I said, ‘After me comes a Man who has a higher rank than I and has priority over me, for He existed before me.’
John 1:34
I myself have [actually] seen [that happen], and my testimony is that this is the Son of God!”
John 3:26
So they came to John and said to him, “Rabbi (Teacher), the Man who was with you on the other side of the Jordan [at the Jordan River crossing]—and to whom you have testified—look, He is baptizing too, and everyone is going to Him!”
John 3:36
He who believes and trusts in the Son and accepts Him [as Savior] has eternal life [that is, already possesses it]; but he who does not believe the Son and chooses to reject Him, [disobeying Him and denying Him as Savior] will not see [eternal] life, but [instead] the wrath of God hangs over him continually.”
John 5:33-35
Acts 13:25
And as John was finishing his course [of ministry], he kept saying, ‘What or who do you think that I am? I am not He [the Christ]; but be aware, One is coming after me whose sandals I am not worthy to untie [even as His slave]!’