Matthew 24:12

And because lawlessness shall abound, the charity of many shall wax cold.

James 4:1-4

Where do the wars and disputes come from among you? From here that is to say, of your lusts which fight in your members?

James 5:1-6

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

Revelation 2:4-5

Nevertheless I have against thee that thou hast left thy first love, charity.

Revelation 2:10

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

Revelation 3:15

I know thy works, that thou art neither cold nor hot; I would thou wert 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 against thee that thou hast left thy first love, charity.
Revelation 3:15
I know thy works, that thou art neither cold nor hot; I would thou wert cold or hot.