Revelation 3:2-4

Wake up! Strengthen what little remains, for even what is left is almost dead. I find that your actions do not meet the requirements of my God. Go back to what you heard and believed at first; hold to it firmly. Repent and turn to me again. If you don’t wake up, I will come to you suddenly, as unexpected as a thief. “Yet there are some in the church in Sardis who have not soiled their clothes with evil. They will walk with me in white, for they are worthy.