Matthew 6:24
No one can serve two masters; for either he will hate the one and love the other, or he will be devoted to the one and despise the other. You cannot serve God and mammon.
Luke 16:13
No servant can serve two masters; for either he will hate the one and love the other, or else he will be devoted to the one and despise the other. You cannot serve God and mammon."
2 Thessalonians 2:11-12
For this reason God sends upon them a strong delusion so that they will believe what is false,
James 1:8
being a double-minded man, unstable in all his ways.
James 4:4
You adulteresses, do you not know that friendship with the world is hostility toward God? Therefore whoever wishes to be a friend of the world makes himself an enemy of God.
1 John 2:15
Do not love the world or the things in the world. If anyone loves the world, the love of the Father is not in him.
Revelation 3:15-16
I know your works, that you are neither cold nor hot. I could wish you were cold or hot!