Revelation 2:9

2:9 "I know your works, oppression, and your poverty (but you are rich), and the blasphemy of those who say they are Jews, and they are not, but are a synagogue of Satan.
-World English Bible

Other Translation

2:9 I know thy works, and tribulation, and poverty, (but thou art rich) and [I know] the blasphemy of them which say they are Jews, and are not, but [are] the synagogue of Satan.
-King James Version