Matthew 24:12

And because iniquity shall abound, the love of many shall grow cold.

James 4:1-4

From where come wars and fightings among you? come they not from here, even of your lusts that war in your members?

James 5:1-6

Come now, you rich men, weep and howl for your miseries that shall come upon you.

Revelation 2:4-5

Nevertheless I have somewhat against you, because you have left your first love.

Revelation 2:10

Fear none of those things which you will suffer: behold, the devil shall cast some of you into prison, that you may be tried; and you shall have tribulation ten days: be faithful unto death, and I will give you a crown of life.

Revelation 3:15

I know your works, that you are neither cold nor hot: I would that you were cold or hot.

Treasury of Scripture Knowledge

Summary

And because iniquity shall abound, the love of many shall wax cold.

Bible References

The love

Revelation 2:4
Nevertheless I have somewhat against you, because you have left your first love.
Revelation 3:15
I know your works, that you are neither cold nor hot: I would that you were cold or hot.