They said therefore to him, "Who are you? Give us an answer to take back to those who sent us. What do you say about yourself?"

 (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. 