Revelation 3:16

But since you are lukewarm, and neither hot nor cold, I am about to vomit you out of my mouth.

Revelation 2:5

So, remember where you have fallen from and repent [i.e., change your hearts and lives] and do the things you did at first [i.e., when you were first converted], or else I will come and remove your lampstand from its place [i.e., I will not permit the congregation to survive], unless you repent.

Treasury of Scripture Knowledge

Summary

So then because thou art lukewarm, and neither cold nor hot, I will spue thee out of my mouth.

I will spue thee out

General references

Bible References

I will spue thee out

Revelation 2:5
So, remember where you have fallen from and repent [i.e., change your hearts and lives] and do the things you did at first [i.e., when you were first converted], or else I will come and remove your lampstand from its place [i.e., I will not permit the congregation to survive], unless you repent.

General references

Luke 11:23
The person who is not on my side is [actually] against me. And the person who does not gather [people to me] is [actually] driving them away [from me].