Christ exhorts the congregation at Sardis to wake up and repent. But the members who are worthy will live with him.

Revelation 3:1-6

3 “Write this message to the leader [MET] of the congregation in Sardis city: ‘I am saying these things to you. I am the one who can give to people all the power of God’s Spirit (OR, in whom is the Spirit of God who has all kinds of power; OR, who has God’s Spirit, who is symbolized as seven spirits), and I am the one who has the seven stars. I know everything that you have done. You (pl) appear to be alive spiritually, but you are so weak spiritually it is as though you are dead [MET]. 2 Become aware of your spiritual need as though you were awaking from sleep [MET], and strengthen yourself spiritually, because you are so useless that you are like someone who is about to die [MET]. You must do this because I know that my God considers that nothing that you do is satisfactory. 3 So then, keep remembering God’s message, what you accepted when you heard it. Obey it continually, and turn away from your sinful behavior. If you do not become aware of your spiritual need and turn away from your [MET] sinful behavior, I will come to you when you are not expecting me, as a thief comes [SIM]. You will never know at what time I will come to judge you. 4 Nevertheless, there in Sardis you have a few members who have not been doing what is wrong. It is as though they have not soiled their garments [MET]. As a result, because they are worthy to live with me, they will live with me and will be pure in every way [MET], like people who are dressed in pure white clothing. 5 Everyone who conquers Satan I will dress in these same white garments [MET] (OR, will be pure in every way as though they are dressed in these white garments), and I will never erase their names from the book that contains the names of the people who have eternal life. Instead, as my Father and his angels are listening, I will acknowledge that they [MTY] belong to me. 6 Everyone who wants to understand [MTY] must listen carefully to the message that God’s Spirit speaks to the congregations.’”