Revelation 2:9, 13, 19
Revelation 2:9 NIV
I know your afflictions and your poverty—yet you are rich! I know about the slander of those who say they are Jews and are not, but are a synagogue of Satan.
Revelation 2:19 NIV
I know your deeds, your love and faith, your service and perseverance, and that you are now doing more than you did at first.