Matthew 6:24

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

Luke 16:13

No servant can serve two masters, for either he will hate the one and will love the other, or he will cleave to the one and despise the other. Ye cannot serve God and mammon.

Luke 16:11

If therefore ye have not been faithful in the unrighteous mammon, who shall entrust to you the true?

1 Timothy 6:9-10

But those who desire to be rich fall into temptation and a snare, and many unwise and hurtful lusts, which plunge men into destruction and ruin.

James 4:4

Adulteresses, know ye not that friendship with the world is enmity with God? Whoever therefore is minded to be the friend of the world is constituted enemy of God.

1 John 2:15-16

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

Luke 16:9

And I say to you, Make to yourselves friends with the mammon of unrighteousness, that when it fails ye may be received into the eternal tabernacles.

Galatians 1:10

For do I now seek to satisfy men or God? or do I seek to please men? If I were yet pleasing men, I were not Christ's bondman.

1 Kings 18:21

Then Elijah drew near to all the people, and said, How long do ye halt between two opinions? if Jehovah be God, follow him; and if Baal, follow him. And the people answered him not a word.

Joshua 24:15

And if it seem evil unto you to serve Jehovah, choose you this day whom ye will serve; whether the gods whom your fathers that were on the other side of the river served, or the gods of the Amorite, in whose land ye dwell; but as for me and my house, we will serve Jehovah.

Joshua 24:19-20

And Joshua said to the people, Ye cannot serve Jehovah, for he is a holy God; he is a jealous God; he will not forgive your transgressions nor your sins.

1 Samuel 7:3

And Samuel spoke to all the house of Israel, saying, If ye return to Jehovah with all your heart, put away the strange gods and the Ashtoreths from among you, and apply your hearts unto Jehovah, and serve him only; and he will deliver you out of the hand of the Philistines.

2 Kings 17:33-34

They feared Jehovah, and served their own gods after the manner of the nations, whence they had been carried away.

2 Kings 17:41

And these nations feared Jehovah, and served their graven images, both their children and their children's children: as did their fathers, so do they, unto this day.

Ezekiel 20:39

As for you, O house of Israel, thus saith the Lord Jehovah: Go ye, serve every one his idols henceforth also, if none of you will hearken unto me; but profane my holy name no more with your gifts and with your idols.

Zephaniah 1:5

and them that bow down to the host of the heavens upon the housetops; and them that bow down to Jehovah, that swear by him, and swear by Malcham;

Matthew 4:10

Then says Jesus to him, Get thee away, Satan, for it is written, Thou shalt do homage to the Lord thy God, and him alone shalt thou serve.

Romans 6:16-22

Know ye not that to whom ye yield yourselves bondmen for obedience, ye are bondmen to him whom ye obey, whether of sin unto death, or of obedience unto righteousness?

1 Timothy 6:17

Enjoin on those rich in the present age not to be high-minded, nor to trust on the uncertainty of riches; but in the God who affords us all things richly for our enjoyment;

2 Timothy 4:10

for Demas has forsaken me, having loved the present age, and is gone to Thessalonica; Crescens 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 say to you, Make to yourselves friends with the mammon of unrighteousness, that when it fails ye may be received into the eternal tabernacles.
1 Timothy 6:9
But those who desire to be rich fall into temptation and a snare, and many unwise and hurtful lusts, which plunge men into destruction and ruin.

General references

Leviticus 11:20
Every winged crawling thing that goeth upon all four shall be an abomination unto you.
James 1:8
he is a double-minded man, unstable in all his ways.