That we do not lose sight of our first love
Rev 2:4
"Nevertheless I have this against you, that you have left your first love."
False Doctrine & False Worship
Rev 2:14
"But I have a few things against you, because you have there those who hold the doctrine of Balaam, who taught Balak to put a stumbling block before the children of Israel, to eat things sacrificed to idols"
Sexual Immorality
Rev 2:20
"Nevertheless I have a few things against you, because you allow that woman Jezebel, who calls herself a prophetess, to teach and seduce My servants to commit sexual immorality"
Hypocrisy
Rev 3:1
"I know your works, that you have a name that you are alive, but you are dead."
Lukewarmness
Rev 3:16
"So then, because you are lukewarm, and neither cold nor hot, I will vomit you out of My mouth."
Self Reliance
Rev 3:17
"...you say, 'I am rich, have become wealthy, and have need of nothing' --and do not know that you are wretched, miserable, poor, blind, and naked"