Matthew 6:24

No one can serve two masters; for either he will hate the first, and love the other, or he will adhere to the first, and despise the other. You cannot serve God and riches.

Luke 16:13

No domestic can serve two masters; for he will either hate the first and love the other, or he will adhere to the first and despise the other. You cannot serve God and riches.

Luke 16:11

If, therefore, you have not been faithful in the riches procured by injustice, who will commit to you the true?

1 Timothy 6:9-10

But those who wish to be rich fall into trial and a snare, and many foolish and injurious desires, which plunge men into destruction and perdition.

James 4:4

Adulteresses, know you not that the friendship of the world is enmity against God? Whoever therefore wishes to be a friend of the world, is made an enemy of God.

1 John 2:15-16

Love not the world, nor the things in the world. If any one loves the world, the love of the Father is not in him;

Luke 16:9

And I tell you, Make yourselves friends of the riches procured by injustice, that when it fails they may receive you into the eternal tabernacles.

Galatians 1:10

For do I now obey man, or God? or do I seek to please men? For if I yet pleased men, I could not have been a servant of Christ.

Matthew 4:10

Then Jesus said to him, Get behind me Satan; for it is written, You shall worship the Lord your God, and him only shall you serve.

Romans 6:16-22

Know you not that to whom you present yourselves servants for obedience, his servants you are whom you obey, whether of sin in death or of obedience in righteousness?

1 Timothy 6:17

Charge the rich in the present life not to be high-minded, nor trust in uncertain riches, but in the living God who gives us all things richly to enjoy,

2 Timothy 4:10

for Demas forsook me having loved the present life and went to Thessalonica, Cresces to Galatia, Titus to Dalmatia;

Treasury of Scripture Knowledge

Summary

No man can serve two masters: for either he will hate the one, and love the other; or else he will hold to the one, and despise the other. Ye cannot serve God and mammon.

General references

Bible References

Mammon

Luke 16:9
And I tell you, Make yourselves friends of the riches procured by injustice, that when it fails they may receive you into the eternal tabernacles.
1 Timothy 6:9
But those who wish to be rich fall into trial and a snare, and many foolish and injurious desires, which plunge men into destruction and perdition.

General references

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