John 1:20
And he confessed and denied not, but confessed, I am not the Christ.
Matthew 3:11-12
I indeed baptize you in water unto repentance, but he that comes after me is mightier than I, whose shoes I am not worthy to bear; he shall baptize you in the Holy Spirit and fire,
Mark 1:7-8
and preached, saying, There comes one mightier than I after me, the latchet of whose shoes I am not worthy to stoop down and unloose.
Luke 3:15-17
And as the people were in expectation, and all men mused in their hearts of John, whether he were the Christ, or not,
John 3:28-36
Ye yourselves are my witnesses that I said, I am not the Christ, but that I am sent before him.