In God's sight, covetousness is worshipping the god mammon, and "ye cannot serve God and mammon" (Matthew 6:24).

Source:

KJV Defenders Study Bible, by Dr. Henry Morris, Ph.D.
Publisher: Thomas Nelson
Language: English
DEF 10 ISBN 0-529-10444-x
DEF 10-1 ISBN 0-529-10445-8