John 5:33
You have sent to John, and he has testified to the truth.
John 1:6-8
A man came, sent from God, whose name was John.
John 1:15-27
John testified about him and shouted out, "This one was the one about whom I said, 'He who comes after me is greater than I am, because he existed before me.'"
John 1:29-34
On the next day John saw Jesus coming toward him and said, "Look, the Lamb of God who takes away the sin of the world!
John 3:26-36
So they came to John and said to him, "Rabbi, the one who was with you on the other side of the Jordan River, about whom you testified -- see, he is baptizing, and everyone is flocking to him!"