Revelation 2:8-9

"To the angel of the church in Smyrna write: These are the words of him who is the First and the Last, who died and came to life again. I know your afflictions and your poverty--yet you are rich! I know the slander of those who say they are Jews and are not, but are a synagogue of Satan."

To the angel of the church in Smyrna
Revelation 1:11 ... which said, "Write on a scroll what you see and send it to the seven churches: to Ephesus, Smyrna, Pergamum, Thyatira, Sardis, Philadelphia and Laodicea."

These are the words of him who is the First and the Last
Revelation 1:17 When I saw him, I fell at his feet as though dead. Then he placed his right hand on me and said: "Do not be afraid. I am the First and the Last."

who died and came to life again
Revelation 1:18 "I am the Living One; I was dead, and behold I am alive for ever and ever! And I hold the keys of death and Hades."

I know your afflictions and poverty--yet you are rich!
2 Corinthians 6:10 ... sorrowful, yet always rejoicing; poor, yet making many rich; having nothing, and yet possessing everything.
James 2:5 Listen, my dear brothers: Has not God chosen those who are poor in the eyes of the world to be rich in faith and to inherit the kingdom he promised those who love him?

I know th3e slander of those who say they are Jews and are not
Revelation 3:9 "I will make those who are of the synagogue of Satan, who claim to be Jews though they are not, but are liars--I will make them come and fall down at your feet and acknowledge that I have loved you." (Philadelphia)
Romans 2:28-29 A man is not a Jew if he is only one outwardly, nor is circumcision merely outward and physical. No, a man is a Jew if he is one inwardly; and circumcision is circumcision of the heart, by the Spirit, not by the written code. Such a man's praise is not from men, but from God.

but are a synagogue of Satan
Revelation 2:13 "I know where you live--where Satan has his throne. Yet you remain true to my name. You did not renounce your faith in me, even in the days of Antipas, my faithful witness, who was put to death in your city--where Satan lives." (Pergamum)
Revelation 2:24-25 "Now I say to the rest of you in Thyatira, to you who do not hold to her teaching and have not learned Satan's so-called deep secrets (I will not impose any other burden on you): Only hold on to what you have until I come."
Matthew 4:10 Jesus said to him, "Away from me, Satan! For it is written: 'Worship the Lord your God, and serve him only.'"

NOTES:
Satan the accuser: Zechariah 3:1 Then he showed me Joshua the high priest standing before the angel of the LORD, and Satan standing at his right side to accuse him.
Also, Job 1:6-12 and Job 2:1-7

Scriptures taken from the Holy Bible, New International Version® NIV®, Copyright© 1973, 1978, 1984 by International Bible Society. Used by permission. All rights reserved worldwide.