2 Wake up, and strengthen what remains and is about to die, for I have not found your works complete in the sight of my God.
15 “‘I know your works: you are neither cold nor hot. Would that you were either cold or hot!
16 So, because you are lukewarm, and neither hot nor cold, I will spit you out of my mouth.
Revelation 3:2,15-16
4 But I have this against you, that you have abandoned the love you had at first.
Revelation 2:4
https://www.spreaker.com/user/7978175/what-to-do-when-youre-lukewarm-spiritual
What shall I do with you, O Ephraim?
What shall I do with you, O Judah?
Your love is like a morning cloud,
like the dew that goes early away.
Hosea 6:4
9 “Only take care, and keep your soul diligently, lest you forget the things that your eyes have seen, and lest they depart from your heart all the days of your life. Make them known to your children and your children’s children—
Deuteronomy 4:9
11 “Take care lest you forget the Lord your God by not keeping his commandments and his rules and his statutes, which I command you today, 12 lest, when you have eaten and are full and have built good houses and live in them, 13 and when your herds and flocks multiply and your silver and gold is multiplied and all that you have is multiplied, 14 then your heart be lifted up, and you forget the Lord your God, who brought you out of the land of Egypt, out of the house of slavery,
Deuteronomy 8:11-14