Luke 20:5
So they debated the matter with one another. "If we say 'Heavenly,'" they argued, "he will say, 'Why did you not believe him?'
John 1:15-18
John gave testimony concerning Him and cried aloud, saying, "This is He of whom I said, 'He who is coming after me has been put before me,' for He was before me."
John 1:30
This is He about whom I said, 'After me is to come One who has been put before me, because He was before me.'
John 1:34
"This I have seen, and I have become a witness that He is the Son of God."
John 3:26
they came to John and reported to him, "Rabbi, he who was with you on the other side of the Jordan and to whom you bore testimony is now baptizing, and great numbers of people are resorting to him."
John 3:36
He who believes in the Son has the Life of the Ages; he who disobeys the Son will not enter into Life, but God's anger remains upon him.
John 5:33-35
"You sent to John, and he both was and still is a witness to the truth.
Acts 13:25
But John, towards the end of his career, repeatedly asked the people, "'What do you suppose me to be? I am not the Christ. But there is One coming after me whose sandal I am not worthy to unfasten.'