Luke 20:5
And they reasoned with themselves, saying, If we say, From heaven, he will say, Why did you not believe him?
John 1:15-18
John testified of him, and cried, saying, This is the one of whom I said, He that comes after me existed before me, for he was before me.
John 1:30
This is he of whom I said, After me comes a man who was before me, for he was before me.
John 1:34
And I have seen and testified that this is the Son of God.
John 3:26
And they came to John and said to him, Rabbi, he that was with you beyond the Jordan, to whom you testified, behold, this [man] baptizes and all men come to him.
John 3:36
He that believes on the Son has eternal life; but he that disbelieves the Son shall not see life, but the wrath of God continues on him.
John 5:33-35
You sent to John, and he testified to the truth;
Acts 13:25
And when John completed his course, he said, Who do you suppose I am? I am not [the Christ]; but behold, there comes after me one the sandal of whose feet I am not worthy to untie.