Revelation 2:3-5

I know that you have persevered and endured hardships for the sake of my name,   and you have not grown weary. But I have this against you: You have abandoned the love you had at first.   Remember then how far you have fallen; repent, and do the works you did at first.   Otherwise, I will come to you   and remove your lampstand from its place, unless you repent.