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 12:15
And He said unto them, See to it that ye beware of covetousness; for a man's life consisteth not in the abundance of his possessions.
1 Timothy 6:10
For the love of money is the root of all evils, which some coveting after have been led astray from the faith, and pierced themselves through with many sorrows.
Matthew 6:19
Lay not up for yourselves treasures upon earth, where moth and rust corrupts, and where thieves break through and steal: