I am the first and the last. These are the words of the Son of man, or of him that represented our Saviour, Christ, to St. John. To be the first and the last, is another expression agreeing only to him who is the true God, as it is divers times applied by the prophet Isaias. (Witham)
From the 12th verse to this place we have a description of the Son of man, i.e. Christ. The different emblematical descriptions of his countenance, his dress are similar to what are used by other prophets, and easily explained of his attributes, his eternity, vengeance (Omnes passim.)