Luke 3:15-16

15Now the people were in a state of expectation, and all were wondering in their hearts about John, as to whether he was the Christ (the Messiah, the Anointed).

16John answered them all by saying, “As for me, I baptize you [only] with water; but One who is mightier [more powerful, more noble] than I is coming, and I am not fit to untie the strap of His sandals [even as His slave]. He will baptize you [who truly repent] with the Holy Spirit and [you who remain unrepentant] with fire.