Matthew 6:24
No person can serve two masters, for he will either hate the one and love the other, or else he will cling to the one and look down on the other. You cannot serve God and material things [at the same time].
Luke 16:13
No person can serve two masters, for he will either hate the one and love the other, or else he will cling to the one [i.e., as a close friend] and look down on the other. You cannot serve God and material things [at the same time].'"
Luke 16:11
If therefore you have not been trustworthy in worldly wealth, who will put you in charge of the true [spiritual] riches?
1 Timothy 6:9-10
But those people who want to get rich fall into temptation and a trap and into many foolish and harmful desires, which plunge people into ruin and [spiritual] destruction.
James 4:4
You people who have become unfaithful to God, do you not know that being [intimate] friends with the world [of sin] means hostility toward God? Therefore, whoever determines to be an [intimate] friend of the world becomes an enemy of God.
1 John 2:15-16
You should not love the [godless] world, nor the things [i.e., the materialistic values] that are part of this [present] age. If any person loves the world, a [genuine] love for the Father is not in his heart.
Luke 16:9
Therefore, I tell you, make friends for yourselves by using worldly wealth, so that when it fails [i.e., when you run out of money] they [i.e., the friends you made with its wise and benevolent use] may welcome you into the eternal [i.e., heavenly] dwelling places. [Note: The idea here seems to be that by your shrewd use of material possessions for the benefit of others, you are actually storing up treasures for yourself in heaven].
Galatians 1:10
For am I seeking [to gain] the favor of men or of God? Or, am I striving to please people [by what I do]? If I were still [trying] to please people, I would not be a [true] servant of Christ.
Matthew 4:10
Then Jesus replied to him, "Get away from me Satan, for it is written [Deut. 6:13], 'You are supposed to worship the Lord your God, and serve only Him.'"
Romans 6:16-22
Do you not know that you are the slaves of whoever you offer your obedience to? If you obey [the desire to] sin, it leads to [spiritual] death; or if you obey [God] it leads to righteousness.
1 Timothy 6:17
[Solemnly] urge those who are rich in this present world not to be arrogant, nor to place their hope in the uncertainty of [their] wealth, but in God, who generously supplies us with everything to enjoy.
2 Timothy 4:10
for Demas loved this world and [so] has deserted me and gone to Thessalonica. Crescens has gone to Galatia and Titus to Dalmatia.