Revelation 2:12-13

12And to the angel of the church in Pergamos write; These things saith he who hath the sharp sword with two edges; 13I know thy works, and where thou dwellest, even where Satan’s throne is : and thou holdest fast my name, and hast not denied my faith, even in those days in which Antipas was my faithful martyr, who was slain among you, where Satan dwelleth.