They asked him, "Why then do you baptize, if you are not the Christ, nor Elijah, nor the Prophet?"

 (iii) His life is purified. Christ's baptism with the Spirit was to be a baptism of fire ( Matthew 3:11; Luke 3:16). The dross of evil things, the alloy of the lower things, the base admixture is burned away until a man is clean and pure. 