John 1:20
He said quite openly and straightforwardly, I am not the Christ.
Matthew 3:11-12
Truly, I give baptism with water to those of you whose hearts are changed; but he who comes after me is greater than I, whose shoes I am not good enough to take up: he will give you baptism with the Holy Spirit and with fire:
Mark 1:7-8
And he said to them all, There is one coming after me who is greater than I, whose shoes I am not good enough to undo.
Luke 3:15-17
And while the people were waiting, and all men were questioning in their hearts about John, if he was the Christ or not,
John 3:28-36
You yourselves give witness that I said, I am not the Christ. What I said was, I am sent before the Christ.