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.

Revelation 2:19

2:19 ‘I know your deeds: your love, faith, service, and steadfast endurance. In fact, your more recent deeds are greater than your earlier ones.