Revelation 2:9

I know your works, and tribulation, and poverty, (but you are rich,) and I know the slander of those who say they are Jews, and are not; but are the assembly of Satan.

Revelation 3:1

And by the messenger of the congregation in Sardis, write: These things says he who has the seven spirits of God, and the seven stars: I know your works, that you have a name that you live, but are dead.

Revelation 3:9

Behold, I will give of those-who are of the assembly of Satan; who say they are Jews, and are not, but do lie; behold-I will make them to come and worship before your feet; and they shall know that I have loved you.

Treasury of Scripture Knowledge

Summary

Behold, thou art called a Jew, and restest in the law, and makest thy boast of God,

Bible References

Thou art

Revelation 2:9
I know your works, and tribulation, and poverty, (but you are rich,) and I know the slander of those who say they are Jews, and are not; but are the assembly of Satan.
Revelation 3:1
And by the messenger of the congregation in Sardis, write: These things says he who has the seven spirits of God, and the seven stars: I know your works, that you have a name that you live, but are dead.