John 5:33
"You yourselves sent to John, and he has been and is a witness to the truth.
John 1:6-8
A man came into being, sent from God, whose name was John.
John 1:15-27
John bore witness 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 1:29-34
The next day he saw Jesus coming toward him, and said: "Behold, that is God's Lamb, who takes and bears away the sin of the world.
John 3:26-36
"Rabbi, see! The man who was with you on the other side of Jordan, and to whom you yourself have borne testimony, is now baptizing, and everybody is coming to him."