Revelation 2:2-4

2‘I know your works as well as your labor and steadfast endurance, and that you cannot tolerate evil. You have even put to the test those who refer to themselves as apostles (but are not), and have discovered that they are false.

3I am also aware that you have persisted steadfastly, endured much for the sake of my name, and have not grown weary.

4But I have this against you: You have departed from your first love!