Matthew 6:24

"No man can be the bondservant of two masters; for either he will dislike one and like the other, or he will attach himself to one and think slightingly of the other. You cannot be the bondservants both of God and of gold.

Revelation 3:15-16

I know your doings--you are neither cold nor hot; I would that you were cold or hot!

Treasury of Scripture Knowledge

Summary

So these nations feared the LORD, and served their graven images, both their children, and their children's children: as did their fathers, so do they unto this day.

General references

Bible References

These nations

Matthew 6:24
"No man can be the bondservant of two masters; for either he will dislike one and like the other, or he will attach himself to one and think slightingly of the other. You cannot be the bondservants both of God and of gold.
Revelation 3:15
I know your doings--you are neither cold nor hot; I would that you were cold or hot!

General references

James 1:8
such a one is a man of two minds, undecided in every step he takes.