John 1:20
And he confessed and did not deny, but confessed, I am not the Christ.
Matthew 3:11-12
I indeed baptize you with water to repentance. But He who comes after me is mightier than I, whose sandals I am not worthy to carry. He shall baptize you with the Holy Spirit and with fire;
Mark 1:7-8
And he proclaimed, saying, There is One coming after me who is mightier than I, the thong of whose sandals I am not worthy to stoop down to loosen.
Luke 3:15-17
And as the people were in expectation, and all men mused in their hearts concerning John, lest perhaps he was the Christ,
John 3:28-36
You yourselves bear witness to me that I said, I am not the Christ, but that I am sent before Him.