Matthew 6:24

"No one is able to serve two masters. For either he will hate the one and love the other, or he will be devoted to one and despise the other. You are not able to serve God and money.

Luke 16:13

No domestic slave is able to serve two masters, for either he will hate the one and love the other, or he will be devoted to one and will despise the other. You are not able to serve God and money."

Luke 16:11

If then you have not been faithful with unrighteous wealth, who will entrust to you the true [riches]?

1 Timothy 6:9-10

But those who want to be rich fall into temptation and a trap and many foolish and harmful desires, which plunge those people into ruin and destruction.

James 4:4

Adulterous people! Do you not know that friendship with the world is enmity with God? Therefore whoever wants to be a friend of the world makes [himself] an enemy of God.

1 John 2:15-16

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,

Luke 16:9

And I tell you, make friends for yourselves by means of unrighteous wealth, so that when it runs out they will welcome you into the eternal dwellings.

Galatians 1:10

For am I now making an appeal to people or [to] God? Or am I seeking to please people? If I were still trying to please people, I would not be a slave of Christ.

1 Kings 18:21

Elijah approached to all the people and said, "How long [will] you [go] limping over two opinions? If Yahweh [is] God, go after him; but if Baal, go after him." But the people did not answer him a word.

Joshua 24:15

But if it is bad in your eyes to serve Yahweh, choose for yourselves today whom you want to serve, whether it is the gods that your ancestors served beyond the river, or the gods of the Amorites in whose land you [are] living; but as for me and my household, we will serve Yahweh."

Joshua 24:19-20

But Joshua said to the people, "You cannot serve Yahweh, for he [is] a holy and jealous God; he will not forgive your transgressions or your sins.

1 Samuel 7:3

And Samuel spoke to all the house of Israel, saying, "If with all your heart you [are] turning to Yahweh, remove the foreign gods and Ashtoreths from your midst. Commit your hearts to Yahweh and serve him alone. Then he will deliver you from the hand of [the] Philistines."

2 Kings 17:33-34

Yahweh they were fearing, but their gods they were serving, according to the customs of the nations from which they were deported.

2 Kings 17:41

So these nations were fearing Yahweh, but they were serving their idols, as were their children and their children's children; as their ancestors did, they [are] doing until this day.

Ezekiel 20:39

And you, house of Israel, thus says the Lord Yahweh: "[Let] each one go serve his idols [now] and after, if you [are] not listening to me, but {my holy name} you will not profane [any] longer with your gifts and with your idols.

Zephaniah 1:5

and those who bow down on the rooftops to the host of heaven, and those who bow down, swearing to Yahweh but [also] swearing by Milkom,

Matthew 4:10

Then Jesus said to him, "Go away, Satan, for it is written, 'You shall worship the Lord your God and serve only him.'"

Romans 6:16-22

Do you not know that to whomever you present yourselves [as] slaves for obedience, you are slaves to whomever you obey, whether sin, [leading] to death, or obedience, [leading] to righteousness?

1 Timothy 6:17

Command those [who are] rich in this present age not to be proud and not to put their hope in the uncertainty of riches, but in God, who provides us all [things] richly for enjoyment,

2 Timothy 4:10

For Demas deserted me, [because he] loved the present age, and went to Thessalonica. Crescens [went] to Galatia; Titus [went] 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 friends for yourselves by means of unrighteous wealth, so that when it runs out they will welcome you into the eternal dwellings.
1 Timothy 6:9
But those who want to be rich fall into temptation and a trap and many foolish and harmful desires, which plunge those people into ruin and destruction.

General references

Leviticus 11:20
" 'Any {winged insect} that walks on [all] fours [is] detestable to you.
James 1:8
[he is] a double-minded man, unstable in all his ways.