John 5:33
You sent to John and he gave true witness.
John 1:6-8
There was a man sent from God, whose name was John.
John 1:15-27
John gave witness about him, crying, This is he of whom I said, He who is coming after me is put over me because he was in existence before me.
John 1:29-34
The day after, John sees Jesus coming to him and says, See, here is the Lamb of God who takes away the sin of the world!
John 3:26-36
And they went to John and said to him, Rabbi, the man who was with you on the other side of the Jordan, the man to whom you gave witness, is now giving baptism, and everyone is going to him.