Matthew 6:24
No one can serve two masters; for either he will hate the one, and love the other; or at lest he will be attached to the one, and neglect 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 love the other; or at lest he will be attached to the one, and neglect the other. Ye cannot serve God and Mammon.
2 Thessalonians 2:11-12
And for this cause God will send upon them the efficacy of error, so that they shall themselves believe the lie:
James 1:8
A double-minded man is inconstant in all his ways.
James 4:4
Ye adulterers and adulteresses, know ye not that the friendship of the world is enmity to God? whosoever therefore will be a friend of the world becomes an enemy of God.
1 John 2:15
Love not the world, nor the things that are in the world; for if any one love the world to excess, the love of the Father is not in him.
Revelation 3:15-16
I wish thou wert cold or hot.