Verses with the word mammon in the New Testament (4 verses):

Matthew 6:24
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.

Luke 16:9
And I say unto you, Make to yourselves friends of the mammon of unrighteousness; that, when ye fail, they may receive you into everlasting habitations.

Luke 16:11
If therefore ye have not been faithful in the unrighteous mammon, who will commit to your trust the true riches?

Luke 16:13
No servant 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.