Matthew 6:24

No one is able to serve two masters: for he will hate the one, and love the other; or cleave to the one, and despise the other. You are not able to serve God and mammon.

Revelation 3:15-16

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

Treasury of Scripture Knowledge

Summary

Ephraim, he hath mixed himself among the people; Ephraim is a cake not turned.

General references

Bible References

A cake

Matthew 6:24
No one is able to serve two masters: for he will hate the one, and love the other; or cleave to the one, and despise the other. You are not able to serve God and mammon.
Revelation 3:15
I know your works, that you are neither cold nor hot. I would that you were either cold or hot.

General references

James 1:8
the double-minded man, the most unstable in all his ways.