Matthew 6:24
No one can serve two masters, for either he will hate one and love the other, or else he will attach himself to one and despise the other. You cannot serve both God and Money.
Colossians 3:22
Slaves, always obey your earthly masters, not only when their eyes are on you, as if you had but to please men, but giving them ungrudging service, in your reverence for the Master.
1 John 2:15
Do not love the world or what the world can offer. When any one loves the world, there is no love for the Father in him;
2 Peter 2:15-22
Leaving the straight road, they have gone astray and followed in the steps of Balaam, the son of Beor, who set his heart on the reward for wrong-doing,