John 1:20
And he confessed and denied not, but confessed, I am not the Christ.
Matthew 3:11-12
I indeed baptize you with water unto repentance; but he that cometh after me is mightier than I; whose shoes I am not worthy to bear; he shall baptize you with the Holy Ghost and with fire:
Mark 1:7-8
And proclaimed, saying, There cometh after me one mightier than I, 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 mused in their hearts of John,
John 3:28-36
Ye yourselves bear me witness that I said, I am not the Christ, but I am sent before him.