Matthew 6:24
No one can be a slave to two masters, for either he will hate one and love the other, or else he will be devoted to one and despise the other. You cannot be slaves of God and money.
Colossians 3:22
Slaves, practice obedience to your earthly masters in everything, not as though they were watching you and as though you were merely pleasing men, but with sincerity of heart, because you fear the Lord.
1 John 2:15
Stop loving the world, or the things that are in the world. If anyone persists in loving the world, there is no love for the Father in his heart,
2 Peter 2:15-22
They have left the straight road and gone astray. They have followed the road that Balaam, the son of Beor, trod, who fell in love with the profits of wrongdoing