John 1:20
And he confessed, and did not deny; and he confessed: I am not the Christ.
Matthew 3:11-12
I immerse you in water, in order to repentance; but he that comes after me is mightier than I, whose sandals I am not worthy to carry. He will immerse you in the Holy Spirit and in fire:
Mark 1:7-8
and he preached, saying: There comes after me One mightier than I, the strap of whose sandals I am not worthy to stoop down and loose.
Luke 3:15-17
While the people were in suspense, and all were reasoning in their hearts about John, whether he was the Christ or not,
John 3:28-36
You yourselves will testify for me, that I said, I am not the Christ, but that I am sent before him.