E. Cobham Brewer 1810–1897. Dictionary of Phrase and Fable. 1898.
Man of Sin (The).
(2 Thess. ii. 3). The Roman Catholics say the Man of Sin is Antichrist. The Puritans applied the term to the Pope of Rome; the Fifth - Monarchy men to Cromwell; many modern theologians apply it to that “wicked one” (identical with the “last horn” of Dan. vii.) who is to immediately precede the second advent.
