Revelation 2:2

2:2 ‘I know your works as well as your labor and steadfast endurance, and that you cannot tolerate evil. You have even put to the test those who refer to themselves as apostles (but are not), and have discovered that they are false.

Revelation 2:9

2:9 ‘I know the distress you are suffering and your poverty (but you are rich). I also know the slander against you by those who call themselves Jews and really are not, but are a synagogue of Satan.

Revelation 2:13

2:13 ‘I know where you live – where Satan’s throne is. Yet you continue to cling to my name and you have not denied your faith in me, even in the days of Antipas, my faithful witness, who was killed in your city where Satan lives.